Yoshihiro Okumura is a swimmer who has competed for Japan. He competed at the 2004 and 2008 Summer Olympic Games. He claimed a bronze as a freestyle swimmer of the Japanese men's team in the 4x100 metres medley relay at his Olympic debut in Athens.
Olympic Results[]
| Year | Event | Rank |
|---|---|---|
| 2004 | Men's 100m freestyle | 27th |
| Men's 200m freestyle | 10th | |
| Men's 4x100m medley relay | 
| |
| 2008 | Men's 200m freestyle | 7th |
| Men's 4x100m freestyle relay | 14th | |
| Men's 4x200m freestyle relay | 7th |
2004[]
| Discipline | Round | Time | |
|---|---|---|---|
| 100 metres freestyle | Heats | 50.24 | |
| Semifinal | Did not advance | ||
| Final | |||
| 200 metres freestyle | Heats | 1:49.54 | |
| Semifinal | 1:49.49 | ||
| Final | Did not advance | ||
| 4x100 metres medley relay | Heats | 3:37.04 (50.06 split) |
|
| Final | 3:35.22 (49.75 split) |
AR | |
2008[]
| Discipline | Round | Time | |
|---|---|---|---|
| 200 metres freestyle | Heats | 1:46.89 | NR |
| Semifinal | 1:46.44 | NR | |
| Final | Did not advance | ||
| 4x100 metres freestyle relay | Heats | 3:17.28 (49.21 split) |
NR |
| Final | Did not advance | ||
| 4x200 metres freestyle relay | Heats | 7:09.12 (1:47.19 split) |
AR |
| Final | 7:10.31 (1:46.61 split) |
||