Kusch is a German surname. Notable people with the surname include:
Frank Kusch (born 1959), American historian Garret Kusch (born 1973), Canadian soccer player Martin Kusch (born 1959), German philosopher Polykarp Kusch (1911–1993), German-American physicist Uli Kusch (born 1967), German drummer Walter Kusch (born 1954), German swimmer
See also Petra Kusch-Lück (born 1948), German singer