Crepaldi is an Italian surname. Notable people with the surname include:
Filippo Crepaldi (born 1992), Italian baseball player Giampaolo Crepaldi (born 1947), Italian Roman Catholic bishop Gianni Crepaldi (born 1968), Italian male long-distance runner Mirko Crepaldi (1972–2019), Italian racing cyclist Ottavio Crepaldi (born 1945), Italian racing cyclist