Meo (and its variants Méo, de Meo and diMeo) is a surname. Notable people with the surname include:
Antonia De Meo, American lawyer and diplomat Antoine Méo (born 1984), French enduro rider Antonietta Meo (1930–1937), Italian Roman Catholic child venerable Gaetano Meo (1849–1925), Italian-British landscape painter. George de Meo, Italian-American arms dealer Giancarlo Meo, Italian record producer and entrepreneur Giulio Di Meo (born 1982), Italian tennis player Luca de Meo (born 1967), Italian business manager Paul De Meo (1953–2018), American screenwriter and film producer Paul DiMeo (born 1958), American television personality, and building designer Pip Meo (born 1984), New Zealand football player Rosanne Meo (born 1945/46), New Zealand businesswoman Roy DeMeo (1940–1983), Italian-American mobster Steven Meo, Welsh television actor Tony Meo (born 1959), English snooker player William DeMeo, American actor