| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Tetsumasa•Yamaguchi |
| Used name | Tetsumasa•Yamaguchi |
| Original name | 山口•徹正 |
| Born | 5 March 1947 in ?, Kumamoto (JPN) |
| Measurements | 177 cm / 75 kg |
| NOC | Japan |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1968 Summer Olympics | Canoe Sprint (Canoeing) | JPN |
Tetsumasa Yamaguchi | |||
| Canadian Singles, 1,000 metres, Men (Olympic) | 5 h1 r2/3 | |||||
| Canadian Doubles, 1,000 metres, Men (Olympic) | Nobuatsu Yoshino | 5 h1 r2/3 | ||||
| 1972 Summer Olympics | Canoe Sprint (Canoeing) | JPN |
Tetsumasa Yamaguchi | |||
| Canadian Singles, 1,000 metres, Men (Olympic) | 7 h1 r2/3 |