Hannibal is a latinization (‹See Tfd›Greek: Ἀννίβας, Hanníbas) of the Carthaginian masculine given name ḤNBʿL (Punic: 𐤇𐤍𐤁𐤏𐤋), meaning "Baal is Gracious". Its continued use in later times and cultures ever since is caused mainly by the historical fame of the Carthaginian leader Hannibal, who commanded its forces during the Second Punic War.
"Hannibal" may refer to:
- Hannibal Mejbri (born 2003), Tunisian footballer
- Hannibal Buress (born 1983), American comedian from Chicago
- Hannibal Day (1804–1891), Union army officer during the American Civil War
- Hannibal Muammar Gaddafi, son of former Libyan leader Muammar Gaddafi
- Hannibal Hamlin (1809–1891), Abraham Lincoln's first vice president
- Hannibal Kimball (1832–1895), American entrepreneur
- Hannibal Hawkins Macarthur (1788–1861), Australian colonist, politician, businessman and wool pioneer
- Hannibal Navies (born 1977), American National Football League player
- Hannibal Potter (1592–1664), English clergyman and President of Trinity College, Oxford
- Hannibal Price (1841–1893), Haitian diplomat and author
- Hannibal Sehested (council president) (1842–1924), Danish Council president
- Hannibal Sehested (governor) (1609–1666), Danish Governor of Norway
- Hannibal Valdimarsson (1903–1991), Icelandic politician