Surname Seongyu (선규 , Seongyu ) , all around the world, is an extremely rare family name. Much more frequently, Seongyu is the forename as well as the last name.
Seon-Kyu, Sun-Kyu, ソンギュ, and 성유
Ko, Kim, Lee, Heo, Choi, Kang, Jung, and Hong
, Seongyu 
) , all around the world, is an extremely rare family name. Much more frequently, Seongyu is the forename as well as the last name.