성함이 · 성함을
name (honorific)
Example
실례지만 성함이 어떻게 되세요?
Excuse me, may I have your name?
Word parts
성 surname+함 title, rank
Literally 'surname and title': the respectful word for a person's full name.
Good to know
The plain word is 이름; use 성함 when asking elders, customers or anyone you don't know well. For your own name always say 이름.
Related words