From HandWiki - Reading time: 7 min
A
- A'Campo, Norbert (Switzerland, born 1941)
- A., Choudum S. (India, born 1947)
- Aaboe, Asger (Denmark, 1922–2007)
- Aalen, Odd (Norway, born 1947)
- Aanderaa, Stål (Norway, born 1931)
- Aardal, Karen (Norway/Netherlands, born 1961)
- van Aardenne, Gijs (Netherlands, 1930–1995)
- Abakanowicz, Bruno (Russia/Poland/Lithuania, 1852–1900)
- Abate, Marco (Italy, born 1962)
- Abbasbandy, Saeid (Iran, born 1967)
- Abbaszadeh, Maleyka (Azerbaijan/Soviet Union, born 1953)
- Abbott, Thomas Kingsmill (Ireland, 1829–1913)
- Abda, Amel Ben (Tunisia, ?–?)
- Abdelrahman, Hanan Mohamed (Egypt/Norway, ?–?)
- ibn Abdun al-Jabali, Mohammed (Medieval Spain, ?–?)
- Abebe, Rediet (Ethiopia, born 1991)
- Abel, Niels Henrik (Norway, 1802–1829)
- Abelson, Harold (United States, born 1947)
- Abercrombie, Alexander (England, born 1949)
- al-Abhari, Athir al-Din (Persia, 1200–1265)
- Abhyankar, Shreeram Shankar (India, 1930–2012)
- Abian, Alexander (Armenia, 1923–1999)
- Abibi, Daniel (Congo, born 1942)
- Abikoff, William (United States, born 1944)
- Abiyev, Asker (Azerbaijan, born 1934)
- Abkar, Ali (Iran, born 1963)
- Ablowitz, Mark J. (United States, born 1945)
- Aboufadel, Edward (USA, ?–?)
- Abraham, Ralph (United States, born 1936)
- Abrahams, David (England, born 1958)
- D'Abramo, Germano (Italy, born 1973)
- Abramov, Sergei (mathematician) (Russia, born 1957)
- Abramovich, Dan (USA, born 1963)
- Abramowicz, Izabela (Poland, 1889–1973)
- Abramowicz, Kazimierz (Poland, 1889–1936)
- Abramowitz, Milton (United States, 1915–1958)
- Abrosimov, Alexander (Russia/Soviet Union, 1948–2011)
Abu
- Abu-Libdeh, Hasan (Palestine, born 1954)
- Abubakar, Abdusalam (Ireland, born 1990)
- Abubakar, Iya (Nigeria, born 1934)
- Achenwall, Gottfried (Germany, 1719–1772)
- Ackerman, Nate (USA, born 1978)
- Ackermann, Wilhelm (Germany, 1896–1962)
- Ackermans, Stan (Netherlands, 1936–1995)
- Aczel, Amir (Israel, 1950–2015)
- Aczél, János (Canada/Hungary, 1924–2020)
- Aczel, Peter (Britain, born 1940s)
- Adair, John (Scotland, 1660–1718)
- Adalbold II of Utrecht (Netherlands, 975–1026)
- Adam, Jehan (France, ?–?)
- Adams, Carlisle (Canada, ?–?)
- Adams, Clarence Raymond (United States, 1898–1965)
- Adams, Colin (United States, born 1956)
- Adams, Edwin Plimpton (United States, 1878–1956)
- Adams, Jeffrey (United States, born 1955)
- Adams, John Couch (Britain, 1819–1892)
- Adams, John Frank (England, 1930–1989)
- Adams, Karl (Switzerland, 1811–1849)
- Adams, L. D. (Britain, ?–1966)
- Adams, Rachel Blodgett (?, 1884–1972)
- Adamsky, Viktor (Russia/Soviet Union, 1923–2005)
- Adamyan, Vadym (Ukraine/Ethnic Armenia/Soviet Union, born 1938)
- Adcock, Frank (Britain, 1886–1968)
- Adelard of Bath (Medieval England, 1080s–1150s)
- Adelbulner, Michael (Germany, 1702–1779)
- Adelson-Velsky, Georgy Maximovich (Soviet Union, 1922–2014)
- Adelstein, Abraham Manie (Britain, 1916–1992)
- Adem, Alejandro (Canada/Mexico, born 1961)
- Adem, José (?, 1921–1991)
- Ademaj, Eshref (Albania, 1940–1994)
Adh
- Adhemar, Joseph Alphonse (France, 1797–1862)
- Adian, Sergei (Ethnic Armenia/Russia/Soviet Union, born 1931)
- Adiprasito, Karim (Germany, born 1988)
- Adler, August (Czech Republic/Austria, 1863–1923)
- Adler, Irving (USA, 1913–2012)
- Adler, Jill (South Africa, born 1951)
- Adler, Mark (United States, born 1959)
- Adler, Roy (United States, 1931–2016)
- Ado, Igor Dmitrievich (Soviet Union, 1910–1983)
- Adomian, George (Ethnic Armenia, 1922–1996)
- Adrain, Robert (Ireland, 1775–1843)
- Adrastus of Cyzicus (?, ?–?)
- Adye, John (Britain, born 1939)
- Aeppli, Alfred (Switzerland, born 1894)
- Afanasyeva, Tatyana Alexeyevna (Imperial Russia, 1876–1964)
- Afghan, Sediq (Afghanistan, born 1958)
- Afia, Aaron (Greece, ?–?)
- ibn Aflah, Jabir (Arabia, 1100–1150)
- Afraimovich, Valentin (Russia/Soviet Union, 1945–2018)
- Aftalion, Amandine (France, born 1973)
- Aganagić, Mina (Bosnia and Herzegovina, ?–?)
- Agarwal, Pankaj K. (India, ?–?)
- Agarwal, Ravi (India, born 1947)
- Aggiunti, Niccolò (Italy, 1600–1635)
- Aghababyan, Levon (Armenia, 1887–1915)
- Agler, Jim (USA, ?–?)
- Agmon, Shmuel (Israel, born 1922)
- Agnesi, Maria Gaetana (Italy, 1718–1799)
- Agnew, Alfie (United States, born 1969)
- Agnew, Ralph Palmer (United States, 1900–1986)
Ago
- Agol, Ian (United States, born 1970)
- Agostinelli, Cataldo (Italy, 1894–1988)
- Agostini, Amedeo (Italy, 1892–1958)
- Agranovich, Mikhail (Russia/Soviet Union, 1931–2017)
- Agrawal, Manindra (India, born 1966)
- Agrest, Matest M. (Russia, 1915–2005)
- Agricola, Ilka (Netherlands/Germany, born 1973)
- Agrippa, Camillo (Italy, ?–1590s)
- d'Aguilon, François (Belgium, 1567–1617)
- Agwu, Nkechi (Nigeria, born 1962)
- Aharoni, Ron (Israel, born 1952)
- Aharonov, Dorit (Israel, born 1970)
- ibn al-Ahdab, Isaac (?, 1350s–1420s)
- Ahin, Bendich (Medieval France, ?–1402)
- Ahlfors, Lars Valerian (Finland, 1907–1996)
- Ahlswede, Rudolf (Germany, 1938–2010)
- ibn Ahmad al-Nasawī, Alī (Medieval Persia, 1010–1075)
- Ahmad, Ziauddin (India, 1873–1947)
- Ahmadi, Amir Ali (Iran, ?–?)
- Ahmadova, Gular (Azerbaijan, born 1965)
- Ahmes (Egypt, 1680 BC–1620 BC)
- Ahrens, Wilhelm (Germany, 1872–1927)
- Ahsan, Riaz (Pakistan, 1951–2008)
- Aigner, Alexander (Austria, 1909–1988)
- Aigner, Martin (Austria, born 1942)
- Aitchison, Beatrice (United States, 1908–1997)
- Aitchison, John (Scotland, 1926–2016)
- Aitken, Alexander Craig (New Zealand/Scotland, 1895–1967)
- Aiyer, V. Ramaswamy (India, 1871–1936)
- Aizenman, Michael (United States, born 1945)
Ajd
- Ajdukiewicz, Kazimierz (Poland, 1890–1963)
- Ajtai, Miklós (Hungary, born 1946)
- Akaike, Hirotugu (Japan, 1927–2009)
- Akansu, Ali (Turkey, ?–?)
- Akbulut, Selman (Turkey, born 1949)
- Akhiezer, Naum (Soviet Union, 1901–1980)
- Akiba, Tadatoshi (Japan, born 1942)
- Akiyama, Jin (Japan, born 1946)
- Aksoy, Asuman (Turkey, ?–?)
- Alagic, Mara (Serbia, ?–?)
- Alaoglu, Leonidas (Canada/Greece, 1914–1981)
- Alas, Mihailo Petrović (Serbia, 1868–1943)
- Alavi, Yousef (USA, 1928–2013)
- Albán, Carlos (Colombia, 1844–1902)
- Albanese, Giacomo (Italy, 1890–1948)
- Alben, Silas D. (United States, ?–?)
- Albert, Abraham Adrian (United States, 1905–1972)
- Albert, Michael H. (Canada, born 1962)
- Alberti, Giovanni (Italy, born 1965)
- Albeverio, Sergio (Switzerland, born 1939)
- Alcan, Félix (France, 1841–1925)
- de Alcega, Juan (Spain, ?–?)
- Alcock, Lara (Britain, ?–?)
- Alcuin (Medieval England, 735–804)
- Alder, Mike (Australia, ?–?)
- Alderson, Helen Popova (Russia/Britain, 1924–1972)
- Aldous, David (United States/Britain, born 1952)
- Aldroubi, Akram (USA, ?–?)
- Alele-Williams, Grace (Nigeria, born 1932)
- d'Alembert, Jean le Rond (France, 1717–1783)
- Alesker, Semyon (Israel, born 1972)
- Aleškevičienė-Statulevičienė, Aldona (Lithuania, 1936–2017)
- Alexander of Villedieu (France, 1175–1240)
- Alexander, Amir (Israel, born 1963)
- Alexander, Archie (United States, 1888–1958)
- Alexander, Conel Hugh O'Donel (Ireland, 1909–1974)
- Alexander, Howard Wright (Canada/United States, 1911–1985)
- Alexander, Stephanie B. (United States, ?–?)
- Alexander, Stephen (United States, 1806–1883)
- Alexanderson, Gerald L. (United States, born 1933)
- Alexandrov, Aleksandr Danilovich (Russia/Soviet Union, 1912–1999)
- Alexandrov, Pavel (Russia/Soviet Union, 1896–1982)
- Alexeev, Valery (USA, ?–?)
- Alexiewicz, Andrzej (Poland, 1917–1995)
- Alexits, György (Hungary, 1899–1978)
- Aley, Robert Judson (USA, 1863–1935)
Alf
- Alford, W. R. (Red) (United States, 1937–2003)
- Alfsen, Erik (Norway, 1930–2019)
- ibn ʿAlī al-Qalaṣādī, Abū al-Ḥasan (Medieval Tunisia, 1412–1486)
- Ali, Mir Masoom (United States, born 1937)
- Ali, Mir Maswood (Canada, 1929–2009)
- ibn Ali, Sind (?, ?–?)
- Aliprantis, Charalambos D. (Greece, 1946–2009)
- al‐Ishbili, Ibn al‐Ha'im (Medieval Arabia/Medieval Spain, ?–?)
- Aljančić, Slobodan (Serbia/Yugoslavia, 1922–1993)
- Alladi, Krishnaswami (India, born 1955)
- Allakhverdiyev, Jalal (Azerbaijan, 1929–2017)
- Allan, Graham (England, 1936–2007)
- Allardice, Robert Edgar (Scotland, 1862–1928)
- Allcock, Daniel (United States, ?–?)
- Allé, Moritz (Czech Republic, 1837–1913)
- Allen, Florence Eliza (United States, 1876–1960)
- Allen, Linda J. S. (United States, ?–?)
- Allen, Roy George Douglas (Britain, 1906–1983)
- Allen, Thomas (England, 1542–1632)
- Allendoerfer, Carl B. (United States, 1911–1974)
- Allman, Elizabeth S. (United States, born 1965)
- Allman, George Johnston (Britain, 1824–1904)
- d'Allonville, Jacques (France, 1671–1732)
- Allotey, Francis (Ghana, 1932–2017)
- Almgren, Ann S. (United States, ?–?)
- Almgren, Jr., Frederick J. (United States, 1933–1997)
- Almgren, Robert (United States, ?–?)
- Alon, Noga (Israel, born 1956)
- Alperin, Jonathan Lazare (United States, born 1937)
- Alpern, Steve (Britain, ?–?)
- Alpert, Bradley (United States, ?–?)
Als
- Alspach, Brian (United States, born 1938)
- Alt, Franz (Austria, 1910–2011)
- Altınel, Tuna (Turkey, born 1966)
- Altman, Doug (Britain, 1948–2018)
- Altschul, Stephen (United States, born 1957)
- Alvarez, Melania (Mexico/Canada, ?–?)
- Alvord, Benjamin (United States, 1813–1884)
- Amaldi, Ugo (mathematician) (Italy, 1909–1954)
- Amato, Vincenzo (Italy, 1881–1963)
- Ambartzumian, Rouben V. (Armenia, born 1941)
- Ambrose, Warren (United States, 1914–1995)
- Ambrosetti, Antonio (Italy, born 1972)
- Ambrosio, Luigi (Italy, born 1963)
- D'Ambrosio, Ubiratàn (Brazil, born 1932)
- Ambschel, Anton (Slovenia, 1746–1821)
- Amegandjin, Julien (Togo, born 1940)
- Amerio, Luigi (Italy, 1912–2004)
- Amice, Yvette (France, 1936–1993)
- Amici, Giovanni Battista (Italy, 1786–1863)
- Amirà, Binyamin (Israel, 1896–1968)
- Amirà, Divsha (Israel, 1899–1966)
- Amit, Ilan (Israel, 1935–2013)
- Amitsur, Shimshon (Israel, 1921–1994)
- Amma, T. A. Sarasvati (India, 1918–2000)
- Ammann, Robert (United States, 1946–1994)
- Amodeo, Federico (Italy, 1859–1946)
- Amoli, Taleb (Iran, 1580–1626)
- D'Amore, Bruno (Italy, born 1946)
- Amoroso, Luigi (Italy, 1886–1965)
- Ampère, André-Marie (France, 1775–1836)
Amr
- Amringe, John Howard Van (United States, 1836–1915)
- Amsler-Laffon, Jakob (Switzerland, 1823–1912)
- Amundson, Neal (United States, 1916–2011)
- Amur, K. S. (India, born 1931)
- analyst, Numerical (?, ?–?)
- Anantharaman, Nalini (France, born 1976)
- Anaxagoras (Ancient Greece, 500s BC–420s BC)
- Anaximenes of Miletus (Ancient Greece, 585 BC–525 BC)
- al-Andalusi, Said (Medieval Arabia, 1029–1070)
- Anđelić, Tatomir (Serbia/Yugoslavia, 1903–1993)
- Andersen, Aksel Frederik (Denmark, 1891–1972)
- Andersen, Henning Haahr (Denmark, ?–?)
- Andersen, Kirsti (Denmark, born 1941)
- Anderson, Alexander (Scotland, 1580s–1620)
- Anderson, David F. (United States, born 1978)
- Anderson, George (England, ?–?)
- Anderson, John Robert (Canada/United States, born 1947)
- Anderson, Michael T. (United States, born 1950)
- Anderson, Oskar (Germany/Imperial Russia, 1887–1960)
- Anderson, Richard Davis (United States, 1922–2008)
- Anderson, Robert (England, ?–?)
- Anderson, Robert M. (Canada, born 1951)
- Anderson, Theodore Wilbur (United States, 1918–2016)
- Andrade, Jules (France, 1857–1933)
- Andræ, Carl Christoffer Georg (Denmark, 1812–1893)
- Andrásfai, Béla (Hungary, born 1931)
- André, Désiré (France, 1840–1917)
- André, Michel (mathematician) (Switzerland, 1936–2009)
- André, Yves (France, born 1959)
- André, Yves Marie (France, 1675–1764)
- Andree, Richard V. (United States, 1911–1987)
- Andreescu, Titu (Romania/USA, born 1956)
- Andreev, Konstantin (Russia/Soviet Union, 1848–1921)
- Andreini, Alfredo (Italy, 1870–1943)
- Andréka, Hajnal (Hungary, born 1947)
- Andreotti, Aldo (Italy, 1924–1980)
- Andres, Juan (Spain, ?–?)
- Andrew, Henry Martyn (Britain, 1846–1888)
- Andrews, Annie Dale Biddle (United States, 1885–1940)
- Andrews, Ben (?, ?–?)
- Andrews, George (United States, born 1938)
- Andrews, Grace (United States, 1869–1951)
- Andrews, James J. (United States, 1930–1998)
- Andrews, Peter B. (USA, born 1937)
- Andrianov, Anatoli N. (Soviet Union, born 1936)
- Andrunakievich, Vladimir (Moldova/Soviet Union, 1917–1979)
Ang
- degli Angeli, Stefano (Italy, 1623–1697)
- Angenent, Sigurd (Netherlands, born 1960)
- Anger, Carl Theodor (Germany, 1803–1858)
- Ankeny, Nesmith (United States, 1927–1993)
- Ann, Peng Tsu (Singapore, born 1936)
- Anning, Norman H. (Canada, 1883–1963)
- Anosov, Dmitri (Russia/Soviet Union, 1936–2014)
- Anscombe, Francis (England, 1918–2001)
- Anscombe, Frank (England/USA, 1918–2001)
- Anselin, Luc (Belgium, born 1953)
- Ansoff, Igor (USA, 1918–2002)
- Anstice, Robert Richard (Britain, 1813–1853)
- Anthemius of Tralles (Ancient Greece/Byzantium, 470s–534)
- Anthonisz, Adriaan (Netherlands, 1541–1620)
- Anthony, Herbert Douglas (England, 1892–1968)
- Antipater (Ancient Greece, ?–?)
- Antiphon (Ancient Greece, 480 BC–411 BC)
- Antman, Stuart S. (United States, ?–?)
- Antoine, Louis (France, 1888–1971)
- Antonelli, Giovanni (Italy, 1818–1872)
- Antonelli, Kathleen (Ireland, 1921–2006)
- Aomoto, Kazuhiko (Japan, ?–?)
- Apéry, Roger (Greece, 1916–1994)
- Apfelbacher, Karl (Germany, ?–?)
- Apian, Philipp (Germany, 1531–1589)
- Apianus, Petrus (Germany, 1495–1552)
- Apollonius of Perga (Ancient Greece, 260s BC–190s BC)
- Apostol, Tom M. (Greece, 1923–2016)
- Appel, Kenneth (United States, 1932–2013)
- Appell, Paul Émile (France, 1855–1930)
Ara
- Arad, Zvi (Israel, 1942–2018)
- Arago, François Jean Dominique (France, 1786–1853)
- Arai, Noriko H. (Japan, born 1962)
- Arak, Taivo (Estonia, 1946–2007)
- Arakelian, Norair (Armenia/Soviet Union, born 1936)
- Arakelov, Suren (Ukraine/Soviet Union, born 1947)
- Araki, Huzihiro (Japan, born 1933)
- Araujo, Carolina (mathematician) (Brazil, ?–?)
- Arbarello, Enrico (Italy, born 1945)
- Arbel, Beno (Israel, 1939–2013)
- Arbogast, Louis François Antoine (France, 1759–1803)
- Arbogast, Todd (United States, ?–?)
- Arbuthnot, John (England, 1667–1735)
- Archdeacon, Dan (United States, 1954–2015)
- Archibald, Raymond Clare (Canada, 1875–1955)
- Archimedeans, The (Britain, ?–?)
- Archimedes (Ancient Greece/Sicily, 280s BC–210s BC)
- Archytas (Ancient Greece, 428 BC–347 BC)
- d'Arcy, Patrick (Ireland, 1725–1779)
- Ardelyan, Nikolai (Russia, born 1953)
- Ardila, Federico (Colombia, born 1979)
- Ardinghelli, Maria Angela (Kingdom of Naples, 1730–1825)
- Arens, Richard Friederich (United States, 1919–2000)
- Arenstorf, Richard (United States, 1929–2014)
- Arf, Cahit (Turkey, 1910–1997)
- Argand, Jean-Robert (France, 1768–1822)
- Argoli, Andrea (Italy, 1570–1657)
- Argyros, Isaac (Greece, born 1312)
- Arhangelskii, Alexander (Russia, born 1938)
- Arıkan, Erdal (Turkey, born 1958)
- Ārinš, Eižens (Latvia, 1911–1987)
- Aris, Rutherford (Britain/United States, 1929–2005)
- Aristarchus of Samos (Ancient Greece, 310s BC–230s BC)
- Aristotle (Ancient Greece, 384 BC–322 BC)
Ark
- Arkeryd, Leif (Sweden, born 1940)
- Arkin, Esther (Israel, ?–?)
- Arkin, Joseph (United States, 1923–2002)
- Arlinghaus, Sandra (United States, ?–?)
- Armero, Julio Garavito (Colombia, 1865–1920)
- Armitage, Peter (England, born 1924)
- Arnaud, Marie-Claude (France, ?–?)
- Arnauld, Antoine (France, 1612–1694)
- Arnold, David (USA, ?–?)
- Arnold, Douglas N. (United States, born 1954)
- Arnold, Vladimir Igorevich (Russia/Soviet Union, 1937–2010)
- Arnoldi, Walter Edwin (United States, 1917–1995)
- Arocena, Rodrigo (Uruguay, born 1947)
- Aronhold, Siegfried Heinrich (Germany, 1819–1884)
- Aronson, Donald (USA, ?–?)
- Aronszajn, Nachman (Poland, 1907–1980)
- Arora, Sanjeev (USA, born 1968)
- Arous, Gérard Ben (France, born 1957)
- Arratia, Richard (United States, ?–?)
- Arrington, Elayne (United States, ?–?)
- Arscott, Felix (Britain, 1922–1996)
- Artemov, Sergei N. (USA/Russia, born 1951)
- Arthur, James (Canada, born 1944)
- Arthur, William (Scotland, 1894–1979)
- de Artiga, Francisco (Spain, 1650–1711)
- Artigue, Michèle (France, born 1946)
- Artin, Emil (Ethnic Armenia, 1898–1962)
- Artin, Michael (Germany, born 1934)
- Artom, Emilio (Italy, 1888–1952)
- Artstein, Shiri (Israel, born 1978)
- Artzy, Rafael (Israel, 1912–2006)
Aru
- Arutyunov, Aram (Russia, born 1953)
- Arvesen, Ole Peder (Norway, 1895–1991)
- Arveson, William (United States, 1934–2011)
- Aryabhata (Medieval India/Ancient India, 476–550)
- Arzelà, Cesare (Italy, 1847–1912)
- Aṣ-Ṣaidanānī (?, ?–?)
- Aschbacher, Michael (United States, born 1944)
- Aschenbrenner, Matthias (Germany/United States, born 1972)
- Asclepius of Tralles (Ancient Greece, ?–?)
- Ascoli, Giulio (Italy, 1843–1896)
- Ascoli, Guido (Italy, 1887–1957)
- Aseev, Sergei (Russia, born 1957)
- Ásgeirsson, Leifur (Iceland, 1903–1990)
- Ash, Avner (United States, ?–?)
- Ash, Michael Edward (Britain, 1927–2016)
- Ashe, St George (Ireland, 1658–1718)
- Ashrafi, Ali Reza (Iran, ?–?)
- Ashraphijuo, Mehdi (Iran, ?–?)
- Aşkar, Attila (Turkey, born 1944)
- Askey, Richard (United States, 1933–2019)
- Aslam, Chaudry Mohammad (Pakistan, 1900–1965)
- Asley, Yasha (Iran, born 2003)
- Asprey, Winifred (United States, 1917–2007)
- Assani, Idris (United States, ?–?)
- Assche, Gilles Van (Belgium, ?–?)
- Asser, Günter (Germany, 1926–2015)
- Astala, Kari (Finland, born 1953)
- Atanassov, Krassimir (Bulgaria, born 1954)
- ibn Athari, Mashallah (Medieval Persia, ?–810s)
- Athey, Susan (United States, born 1970)
- Athreya, Siva (India, born 1971)
Ati
- Atiyah, Michael Francis (Britain, 1929–2019)
- Atkin, A. O. L. (Britain, 1925–2008)
- Atkinson, Frederick Valentine (Canada, 1916–2002)
- Atkinson, Henry (England, 1781–1824)
- Attalus of Rhodes (Ancient Greece, ?–?)
- Atwood, George (England, 1745–1807)
- Aubert, Karl Egil (Norway, 1924–1990)
- Aubin, Thierry (France, 1942–2009)
- Audin, Michèle (France, born 1954)
- Auerbach, Herman (Poland, 1901–1942)
- Auffinger, Antonio (Brazil, ?–?)
- Augenstein, Bruno (Germany, 1923–2005)
- Auger, Pierre (biologist) (France, born 1953)
- Aumann, Georg (Germany, 1905–1980)
- Aumann, Israel Robert John (Israel, born 1930)
- Aurenhammer, Franz (Austria, born 1957)
- Aurifeuille, Léon-François-Antoine (France, 1822–1882)
- Auscher, Pascal (France, ?–?)
- Auslander, Louis (United States, 1928–1997)
- Auslander, Maurice (United States, 1926–1994)
- Austin, James Murdoch (United States, 1915–2000)
- Austin, Oscar Phelps (United States, 1848–1933)
- Authement, Ray (United States, 1928–2020)
- Autolycus of Pitane (Ancient Greece, 360s BC–290s BC)
- Autonne, Léon (France, 1859–1916)
- Avellaneda, Marco (Argentina, born 1955)
- D'Avenant, Edward (England, 1596–1679)
- Avery, Robert Stanton (United States, 1808–1894)
- Avigad, Jeremy (United States, born 1968)
- Avila, Artur (France, born 1979)
- Avis, David (Britain, born 1951)
Avr
- Avramov, Luchezar L. (Bulgaria, ?–?)
- Avron, Arnon (Israel, born 1952)
- Awerbuch-Friedlander, Tamara (?, ?–?)
- Awodey, Steve (United States, ?, PhD 1997–?)
- Ax, James (United States, 1937–2006)
- Axelrod, Robert (United States, born 1943)
- Axer, Aleksander (Poland, 1880–1948)
- Axler, Sheldon (United States, born 1949)
- Aynscom, Francis Xavier (?, 1624–1660)
- Ayres, Frank J. (USA, 1901–1994)
- Ayres, Leonard Porter (United States, 1879–1946)
- Ayrton, Hertha (England, 1854–1923)
- Ayyangar, A. A. Krishnaswami (India, 1892–1953)
- Azuma, Kazuoki (Japan, born 1939)
- Azumaya, Goro (Japan, 1920–2010)