Baby Names Boy Names Meaning of the Name Seong-Su Updated November 16, 2025 by Jennifer M. Seong-Su Gender: Male Origin: Korean Meaning: Successful, Sacred ♥ Add to my Namelist What is the meaning of the name Seong-Su? The name Seong-Su is primarily a male name of Korean origin that means Successful, Sacred. People who like the name Seong-Su also like: Misu, Ko, Riki, Viho, Kasabian, Imri, Pons, Suzu, Kaavia, Somatra, Aizza, Ji-Yu, Neci, Esta Names like Seong-Su: Shamus, Shaniqua, Sunesh, Sanchez, Shahnawaz, Sheng, Shinnosuke, Sumiko, Shing, Sansa, Simmons, Sancho, Shahnaz, Shinsaku, Sanaz, Shinichi, Simcha, Seamus, Sanjaya, Sequence, Semaj, Simge, Senka, Shawshank, Siyamak, Sahnaz, Sims, Seung, Sancia, Sang Stats for the Name Seong-Su Seong-Su is currently not in the top 100 on the Baby Names Popularity Charts Seong-Su is currently not ranked in U.S. births