Liepiņa is a surname. Notable people with the surname include:
Anita Liepiņa (born 1967), Latvian athlete Lidija Liepiņa (1891–1985), Latvian chemist Līga Liepiņa (born 1946), Latvian actress Linda Liepiņa (born 1974), Latvian businesswoman and politician Zinaida Liepiņa (1907–2000), Latvian sprinter