Last name Sepo (Sepo 
) , in all the world, is a rare cognomen. The family name Sepo is characteristic of Bosnia and Herzegovina, where it is quite a rare surname, Cameroon, where it is a rare surname, and Slovakia. In absolute terms, it is the most numerous in the Democratic Republic of the Congo, Cameroon, and Bosnia and Herzegovina. More prevalently, Sepo is the forename as well as the last name.