V's real name is Kim Tae-hyung.
Kim Tae-hyung, better known by his stage name V, is a South Korean singer, songwriter, record producer, and actor. He is a member of the South Korean boy band BTS, managed by Big Hit Entertainment. He has written and produced several songs for the group, including their single "Spring Day" and their album Wings. He has also acted in several films and television series, including Hwarang: The Poet Warrior Youth and KBS2's Hwarang: The Beginning.