| Tetsuya Kadoyama | |
| Birth Date: | 22 October 1983 |
| Nationality: | Japanese |
| Height: | 1.86 m |
| Position: | Centre back |
| Currentclub: | Toyota Auto Body |
| Nationalteam1: | Japan |
| Nationalcaps1: | 120 |
| Nationalgoals1: | 347 |
Tetsuya Kadoyama (born 22 October 1983) is a Japanese handball player for Toyota Auto Body and the Japanese national team.
He represented Japan at the 2019 World Men's Handball Championship.[1] [2]