34%RatingSave Gender Masculine Usage Korean Scripts 성훈(Korean Hangul) 成勛, etc.(Korean Hanja) Pronounced Pron. SUNG-HOON [key·IPA] Meaning & History From Sino-Korean 成 (seong) meaning "completed, finished, succeeded" combined with 勛 (hun) meaning "meritorious deed, rank". Other hanja character combinations can form this name as well. Related NamesFamily Tree·Details VariantSung-Hoon Categories completion, Korean, success