Avigdor (Hebrew: אביגדור, also Abigdor, Awigdor, from I Chronicles 4.18, אבי גדור = Avi Gedor) is a Hebrew masculine given name.
- Avigdor Aptowitzer (1871–1942), Austrian rabbi
- Avigdor Arikha (1929–2010), Israeli-French painter, printmaker, and art historian
- Avigdor Ben-Gal (1936–2016), Israeli general
- Abigdor Cohen of Vienna (fl. 13th century), Austrian Talmudist
- Avigdor Dagan (1912–2006), also known as Viktor Fischl, Israeli writer, playwright and diplomat
- Avigdor Eskin, Russian-Israeli political activist
- Avigdor Glogauer (c. 1725–1810), German grammarian and poet
- Avigdor Kara (died 1439), chief rabbi of Prague, poet and mystic
- Avigdor Kahalani, Israeli soldier and politician
- Avigdor Lieberman, Israeli politician, leader of the Yisrael Beiteinu party
- Avigdor Miller (1908–2001), American rabbi, author and lecturer
- Avigdor Moskowitz (born 1953), Israeli basketball player
- Avigdor Nebenzahl, former chief rabbi of the Old City of Jerusalem
- Avigdor Stematsky (1908–1989), Israeli painter
- Avigdor Yitzhaki (1949–2025), Israeli politician, member of the Knesset for Kadima