Teppei Koike
- Birthday: 1/5/1986
- Place of birth: Osaka, Japan
- Fame for: Acting
- Also known as: 小池徹平, 小池 徹平, Koike Teppei, 小池彻平, WaT
- Social networks: Instagram
Biography
Teppei Koike (小池徹平) is a Japanese singer and actor. Koike and Eiji Wentz (ウエンツ瑛士) forms the singer-songwriter duo WaT. The duo released their debut single Boku no Kimochi (僕のキモチ) in 2005.