Park Ji-hoon (Korean: 박지훈; born May 29, 1999) is a South Korean singer and actor. He was initially active as a child actor and advertisement model. Park rose to fame in early 2017 as the second-place winner of the second season of the reality competition series Produce 101. He is a former member of the show's resulting boy group Wanna One and is currently active as a solo artist and an actor.