Sani is a surname. Notable people with the surname include:
Acryl Sani Abdullah Sani (born 1961), Malaysian police officer Atsidi Sani (c. 1830 – c. 1870 or 1918), Navajo silversmith Dino Sani (born 1932), Brazilian football player and coach Engelberd Sani (born 1990), Indonesian football player Fátima Djarra Sani (born 1968), Guinea-Bissau feminist activist, particularly against female genital mutilation Gideon Sani (born 1990), Nigerian football player Hassan Sani (born 1958), Malaysian football player Miftah Anwar Sani (born 1995), Indonesian football player Omar Sani (born 1968), Bangladeshi actor Shehu Sani (born 1967), Nigerian senator, author, playwright and human rights activist Tina Sani, Pakistani singer Uba Sani (born 1970), Nigerian politician Umar Sani (born 1963), Nigerian politician