Lapin is a Russian patronymic surname. Notable people with the surname include:
Aleksandr Gennadyevich Lapin (born 1980), Russian professional football player
Aleksandr Viktorovich Lapin (born 1975), Russian professional football player
Chay Lapin (born 1987), American water polo goalkeeper
Daniel Lapin (born 1950), political commentator and American Orthodox rabbi
David Lapin (born 1949), South African corporate advisor and rabbi
Evgeny Lapin, Russian ice hockey player
Ivan Lapin (born 1988), Russian football player
Gerri Lapin, pseudonym of Goldie Alexander (born 1936), Australian author
Lee Lapin (1948–2009), American author
Leonhard Lapin (born 1947), Estonian artist, architect and poet
Nicole Lapin (born 1984), CNN anchor
Nikita Lapin (born 1993), Russian footballer
Raphael Lapin (born 1955), negotiation, mediation and communication expert
Raymond Lapin (1919–1986), American politician
Ron Lapin (1941–1995), American surgeon
Sergey Lapin (police officer), Russian police officer
Sergey Georgyevich Lapin (1912–1990), Soviet Union diplomat and politician
