Family name サンニ (Sanni 
, サンニ) , all around the world, is a widespread surname. The surname サンニ is habitual in Sub-Saharan Africa, particularly Nigeria, where it is quite a common surname, Benin, and Gambia, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Nigeria, India, and Benin. Also, サンニ is the forename as well as the last name.