Leek is a surname. Notable people with the surname include:
Andy Leek (born 1964), English musician
Gene Leek (born 1936), American former baseball player
Geoff Leek (1932–2008), Australian rules footballer
John de Leche or de Leek, Archbishop of Dublin (1311-1311)
Ken Leek (1935–2007), Welsh footballer
Miranda Leek (born 1993), American archer
Peter Leek (born 1988), Australian Paralympic swimmer
Ralph Leek, American football player
Stephen Leek (born 1959), Australian composer, conductor, educator and publisher
Sybil Leek (1917–1982), English witch, astrologer and psychic
