SF9 (Korean: 에스에프나인) is a South Korean boy band under FNC Entertainment. The company’s first dance group, they originally had 9 members but now have 8 members: Youngbin, Inseong, Jaeyoon (currently inactive due to military service), Dawon, Zuho, Yoo Taeyang, Hwiyoung, and Chani. Rowoon, a vocalist, left at the end of 2023 to focus on acting. The band’s name is shorthand for “Sensational Feeling 9.” They’ve been a band for 8 years and have released 1 Korean LP and 3 Japanese LPs.