Belloc is a surname. Notable people with this surname include:
- Jean-Hilaire Belloc (1786–1866), French painter
- Auguste Belloc (1800–1867), French erotic photographer
- Louise Swanton Belloc (1796–1881), French translator and early feminist
- Marie Belloc Lowndes (1868–1947), English novelist and sister of Hilaire
- Hilaire Belloc (1870–1953), British-French writer
- Elaine Belloc, fictional character in the DC/Vertigo Comics series Lucifer