Kangni is both a Togolese masculine given name and surname. Notable people with the name include:
Given name
Kangni Alem (born 1966), Togolese writer, translator and literary critic Kangni Frederic Ananou (born 1997), German footballer
Surname
Roger Kangni (1944–2021), Togolese middle-distance runner Sandrine Thiébaud-Kangni (born 1976), French-Togolese sprinter