Malamud is a Hebrewsurname which translates to teacher in English, a variant of Melamed; see this page for other variants. Notable people with the surname include:
Bernard Malamud (1914–1986), American novelist, short story writer
Carl Malamud (born 1959), American non-fiction writer
Janna Malamud Smith (born 1952), American writer, memoirist; daughter of Bernard Malamud
Margaret Malamud (21st century), American academic and classical scholar
