| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Tan•Thuan Heng | |
| Used name | Tan•Thuan Heng | |
| Name order | Oriental | |
| Born | 14 July 1948 | |
| Measurements | 165 cm / 63 kg | |
| Affiliations | Chinese Swimming Club — Singapore, Singapore |  SGP |
| NOC | Malaysia |  MAS |
| Nationality | Singapore |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | Nationality | As | |
|---|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Swimming (Aquatics) | MAS |
SGP |
Tan Thuan Heng | |||
| 100 metres Freestyle, Men (Olympic) | =53 | ||||||
| 400 metres Freestyle, Men (Olympic) | 36 | ||||||
| 1,500 metres Freestyle, Men (Olympic) | 23 | ||||||
| 4 × 100 metres Medley Relay, Men (Olympic) | Malaysia | 14 |
