Krasner is a surname. Notable people with the surname include:
- Gerald Krasner (born 1949), former Chairman of Leeds United A.F.C.
- Larry Krasner (born 1961), American lawyer, District Attorney of Philadelphia
- Lee Krasner (1908–1984), American artist
- Lisa Krasner, American politician
- Louis Krasner (1903–1995), Russian-American violinist and teacher
- Milton R. Krasner, American film cinematographer
- Naum Krasner (1924–1999), Ukrainian/Russian mathematician and economist
- Stephen D. Krasner (born 1942), political scientist and author
- Steven Krasner (born 1953), sports writer and author of children's books