Lappin is a surname. Notable people with the surname include:
People Harry Lappin (1879–1925), English footballer Jessica Lappin (born 1975), Democratic New York City Councilwoman Lauren Lappin (born 1984), American softball player, Olympic silver medallist Linda Lappin (born 1953), poet, novelist, and translator from Tennessee Matthew Lappin (born 1976), Australian rules footballer Nigel Lappin (born 1976), former professional Australian rules footballer Peter Lappin (born 1965), professional ice hockey player Ryan Lappin, Australian television personality and musician Simon Lappin (born 1983), Scottish professional footballer
See also Robert I. Lappin Charitable Foundation, Jewish non-profit organization that operates programs for Jewish youth