Ro Woon (로운), born Kim Seok Woo (김석우), is a South Korean singer, actor, and model. He was born on August 7, 1996, in Daechi-dong, Gangnam-gu, Seoul, South Korea. Formerly in the boy group SF9 under FNC Entertainment, he was the main vocalist, dancer, visual and center.

In May 2016, he was part of NEOZ Dance in FNC Entertainment’s survival show d.o.b (Dance or Band)“, competing against NEOZ Band (later known as HONEYST).

Ro Woon and the dance team made their debut as SF9 with the single album Feeling Sensation on October 5, 2016.

As an actor, Ro Woon is most known for his roles in several Korean dramas, most notably Extraordinary You (2019) and The King’s Affection (2021). The latter of which was the first K-drama to win an International Emmy award.

On September 18, 2023, it was announced that Ro Woon would be leaving SF9 to focus more on acting. He then penned a handwritten letter to his fans through the group’s fancafe.