Lapin is a Russian patronymic surname. Notable people with the surname include:
Aleksandr Gennadyevich Lapin (born 1980), Russian professional football playerAleksandr Viktorovich Lapin (born 1975), Russian professional football playerChay Lapin (born 1987), American water polo goalkeeperDaniel Lapin (born 1950), political commentator and American Orthodox rabbiDavid Lapin (born 1949), South African corporate advisor and rabbiEvgeny Lapin, Russian ice hockey playerIvan Lapin (born 1988), Russian football playerGerri Lapin, pseudonym of Goldie Alexander (born 1936), Australian authorLee Lapin (1948–2009), American authorLeonhard Lapin (born 1947), Estonian artist, architect and poetNicole Lapin (born 1984), CNN anchorNikita Lapin (born 1993), Russian footballerRaphael Lapin (born 1955), negotiation, mediation and communication expertRaymond Lapin (1919–1986), American politicianRon Lapin (1941–1995), American surgeonSergey Lapin (police officer), Russian police officerSergey Georgyevich Lapin (1912–1990), Soviet Union diplomat and politician