Nigro is a surname of Italian origin, meaning black. Notable people with the surname include:
Carmine Nigro (1910–2001), American chess master and instructor; first coach of Bobby Fischer Dan Nigro (born 1982), American songwriter and producer Daniel A. Nigro (born 1948), 33rd New York City Fire Commissioner Don Nigro (born 1949), American playwright Fabio Nigro (born 1965), Argentine association football player Filippo Nigro (born 1970), Italian actor Frank Nigro (born 1960), Canadian-Italian ice hockey player Jan Nigro (1920–2012), New Zealand artist Laura Nyro (1947–1997), American singer/songwriter Louis J. Nigro Jr. (1947–2013), American diplomat and ambassador Pierre Nigro (born 1955), Italian singer better known as Michael Fortunati Russell M. Nigro (born 1946), American politician from Pennsylvania; former justice of the Supreme Court of Pennsylvania Stefan Nigro (born 1996), Australian footballer
See also Negro Nigris