Yeonwoo (연우), alternatively spelled as Yeonu, may refer to:
- People
- Jeong Yeonu of Black Rose
- Lee Yeonu of Black Rose
- Yeonwoo of NOWADAYS
- Yeonwoo of Orbis
- Yeonu, former pre-debut member of Amber
- Yeonwoo, former member of BAIKAL
- Lee Yeonwoo, former member of Little Cheer Girl
- Seo Yeonwoo, former member of Little Muse
- Yeonwoo, former member of MOMOLAND
- Yeon-woo, former member of S.O.U.L
- Kwon Yeonwoo, former CAP-TEEN contestant
- Noh Yeonwoo, former Universe Ticket contestant
- Ji Yeon Woo, former Wild Idol contestant