Lee Ho-seok (Korean: 이호석, born March 1, 1993), known by his stage name Wonho (Korean: 원호), is a South Korean singer under Highline Entertainment. He is a former member of the South Korean boy group Monsta X, formed through Mnet's survival show No. Mercy, under Starship Entertainment in 2015. Wonho made his solo debut in September 2020, with the EP Love Synonym Pt.1: Right for Me.