Belasco is a surname. Notable people with the surname include:
David Belasco (1853–1931), American theatrical producer and playwright David James (David Belasco, 1839–1893), English comic actor Jay Belasco (1888–1949), American film actor Leon Belasco (1902–1988), Russian-American musician and actor Lionel Belasco (1881–1967), composer and bandleader Nic Belasco (born 1973), professional basketball player Walter Belasco (1864–1939), Canadian silent film actor