Baby Names Boy Names Meaning of the Name Seong-Su Updated April 17, 2026 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: Pons, Ko, Riki, Misu, Viho, Imri, Fico, Eloise, Satu, Risa, Suzu, Aizza, Esta, Somatra Names like Seong-Su: Sansa, Sashanique, Sumiko, Shanese, Shemeka, Simmons, Sonnagh, Sanja, Shaughnessy, Shomecossee, Shamus, Shonka, Shinju, Simge, Shinichi, Singh, Simcha, Sahnaz, Somchai, Semaj, Sanchia, Sunki, Sence, Shammis, Shing, Sanjaya, Shaniqua, Seamus, Senga, Sancha 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