Nigro is a surname of Italian origin, meaning black . The name refers to:
Carmine Nigro (1910–2001), American chess master and instructor; first coach of Bobby FischerDon Nigro (contemporary), American playwrightFabio Nigro (b. 1965), Argentine association football playerLouis J. Nigro, Jr. (contemporary), American diplomat and ambassadorRussell M. Nigro (contemporary), American politician from Pennsylvania; former justice of the Supreme Court of PennsylvaniaStefan Nigro (b. 1996), Australian footballerSusan Nigro (b. 1951), American contrabassoonist