Bel is both a surname and a given name. Notable people with the name include:
Clyde F. Bel, Jr. (c. 1932 – 2014), American politician
Eógan Bél (died 542), a king of Connacht (in what is now Ireland)
Jean Le Bel (c. 1290 – 1370), medieval Flemish chronicler
Joseph Achille Le Bel (1847–1930), French chemist
Matthias Bel (1684–1749), Hungarian scholar, polymath and Lutheran pastor
Jules Bel (1842-1904), French cheese maker
Bel Kaufman (1911–2014), American teacher and author, best known for writing the novel Up the Down Staircase
Bel Mooney (born 1946), English journalist and broadcaster
Bel Powley, British actress
Fictional characters:
Bel Arvardan, in Isaac Asimov's novel Pebble in the Sky
Bel Riose, in Isaac Asimov's Foundation series
Bel (Dungeons & Dragons), lord of the first of The Nine Hells, in Dungeons and Dragons games