Toppin is a surname. Notable people with the surname include:
Aubrey Toppin (1881–1969), English officer of arms Charles Toppin (disambiguation), multiple people Dexter Toppin (born 1957), South African cricketer Edgar Toppin (1928–2004), American historian John Toppin (1900–1965), English cricketer Jovon Toppin (born 1989), Trinidadian sprinter Obi Toppin (born 1998), American basketball player Rupe Toppin (born 1941), Panamanian baseball player