Slate is a surname. Notable people with the surname include:
Cody Slate (born 1987), American football player Jenny Slate (born 1982), American actress and comedian Jeremy Slate (1926–2006), American actor John Slate (1913–1967), American lawyer Anthony J. Slate (born 1993), Microbiology researcher
Fictional characters Mr. Slate, a character from the animated television series The Flintstones