Baby Names Gender-Neutral Names Meaning of the Name Jae-Seong Updated February 16, 2026 by Jennifer M. Jae-Seong Gender: Neutral Origin: Korean Meaning: True, Sincere ♥ Add to my Namelist What is the meaning of the name Jae-Seong? The name Jae-Seong is primarily a gender-neutral name of Korean origin that means True, Sincere. People who like the name Jae-Seong also like: Jaser, Ajay, Aman, Ansel, Aegir, Dmitri, Jaguar, Nyla, Xiu Juan, Umeko, Vera, Stella, Kyong, Juliette Names like Jae-Seong: Jens, Jancis, Junko, Juancho, Janis, Jamese, Janus, Jamaica, Janika, Jonco, Jannik, Jenise, Jennis, Jaymes, Jennica, Janaki, Junius, Janice, Jawanza, Janek, James, Jimenez, Jansje, Jonas, Jenski, Jagienka, Janessa, Jumeaux, Jengo, Jinx Stats for the Name Jae-Seong Jae-Seong is currently not in the top 100 on the Baby Names Popularity Charts Jae-Seong is currently not ranked in U.S. births