Koo
- Chung Mong Koo
- Dae-Sung Koo
- Duk Koo Kim
- Jeffrey Koo Sr.
- Joseph Koo
- Josephine Koo
- Jung Koo Chang
- KOO
- Kaija Koo
- Koo (social network)
- Koo Chen-fu
- Koo Chung
- Koo Dae-Sung
- Koo Hsien-jung
- Koo Hye-sun
- Koo Ki-Lan
- Koo Kien Keat
- Koo Koo
- Koo Stark
- Koo Sze-yiu
- Koo-Koo the Bird Girl
- Koo-Vee
- Koo-Vee (ice hockey)
- Kōō
- Linda Koo
- Louis Koo
- Nathan Koo-Boothe
- Ngeh Koo Ham
- Tai Koo (disambiguation)
- Wellington Koo
- Younghoe Koo