Baby Names Boy Names Meaning of the Name Seong-Su Updated December 4, 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: Kasabian, Imri, Ko, Viho, Misu, Pons, Riki, Suzu, Somatra, Kaavia, Esta, Neci, Aizza, Ji-Yu Names like Seong-Su: Simcha, Sahanaz, Shinju, Shomecossee, Senka, Sanja, Sancha, Shamus, Sang, Sumiko, Seneca, Sanaz, Sansa, Shing, Sanchia, Siyamak, Singh, Semaj, Shemeka, Sanga, Sunisa, Shaniqua, Simge, Shinnosuke, Shawshank, Sunesh, Shonka, Sunki, Sheng, Sashanique 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