| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Kiyoo•Yui |
| Used name | Kiyoo•Yui |
| Original name | 油井•潔雄 |
| Born | 21 April 1943 in ?, Miyagi (JPN) |
| Measurements | 173 cm / 65 kg |
| NOC | Japan |
Personal Best: 400H – 51.2 (1967).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Athletics | JPN |
Kiyoo Yui | |||
| 400 metres Hurdles, Men (Olympic) | 7 h2 r1/3 | |||||
| 1968 Summer Olympics | Athletics | JPN |
Kiyoo Yui | |||
| 400 metres Hurdles, Men (Olympic) | 5 h1 r1/3 | |||||
| 4 × 100 metres Relay, Men (Olympic) | Japan |