Family name セウン (Seun 
, セウン 
) , all over the world, is a common last name. The family name セウン is habitual in Nigeria, where it is quite a common surname, Iceland, where it is quite a rare surname, and Namibia. In absolute terms, the name is most common in Nigeria, Niger, and Laos. Also, セウン is the forename as well as the last name.