Nonso is a Nigerian male given name, diminutive of Chinonso and Chukwunonso. It is occasionally given standalone, legally, but still treated as a diminutive culturally. Notable people with the name include:
Nonso Amadi (born 1995), Nigerian singer, songwriter, and music producer Nonso Anozie (born 1979), British actor Nonso Diobi (born 1976), Nigerian actor and director