Family name Hyosun (Hyosun 
) , throughout the world, is a rare cognomen. The cognomen Hyosun is habitual in South Korea, where it is a rare surname, Malaysia, where it is a very rare surname, and China, where it is an extremely rare surname. More frequently, Hyosun is the forename as well as the last name.
An, Song, Choi, Baek, Kang, Kwon, Park, Gwon, Jang, Jeon, Jung, Hong, Yang, Yoon, Chang, Kelly, Kweon, Parda, Joung, Hwang, Choe-Kelly, Kinnear, Sung, Shim, Shin, Yun, Ko, Ro, Ji, Eo, Oh, Yi, Sim, Suh, Seo, Son, Isaksen, Ahn, Cho, Kim, Lee, Lim, Jun, Jin, Nam, Han, Heo, Yoo, Cha, and Schilder