넌 누구야

who are you?

→ 너+는
phrase Rare #30,059
who are you? Casual, informal way to ask someone who they are. 넌 is a contraction of 너는, meaning “you” as the topic.
KO: 넌 누구야?
EN: Who are you?

넌 누구 야?

Who are you?

— 보리밭을 흔드는 바람 (2006)

기절은 안 했어 넌 누구 야?

You didn't faint. Who are you?

— 데드풀과 울버린 (2024)

촌구석 이니까 넌 누구 야?

Who are you, you country bumpkin?

— 너의 이름은. (2016)