Cognomen Йоми (Yomi 
, Jomi 
, Йоми 
) , in all the world, is a common family name. The surname Йоми is habitual in Sub-Saharan Africa, particularly Cameroon, where it is quite a common surname, Nigeria, where it is quite a rare surname, and Ivory Coast. Measured by absolute frequency, it is the most numerous in Sub-Saharan Africa, particularly Nigeria, Cameroon, and the Democratic Republic of the Congo. More prevalently, Йоми is the forename as well as the last name.