| Roles | Competed in Olympic Games |
|---|---|
| Sex | Female |
| Full name | Ulla Agneta Linnéa•Mårtensson (-Baron) |
| Used name | Agneta•Mårtensson |
| Born | 31 July 1961 in Längbro, Örebro, Örebro (SWE) |
| Measurements | 173 cm / 61 kg |
| Affiliations | Karlslunds IF, Örebro (SWE) / SK Korrugal, Finspång (SWE) |
| NOC | Sweden |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 0 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1980 Summer Olympics | Swimming (Aquatics) | SWE |
Agneta Mårtensson | |||
| 4 × 100 metres Freestyle Relay, Women (Olympic) | Sweden | 2 | Silver | |||
| 100 metres Butterfly, Women (Olympic) | 6 | |||||
| 200 metres Butterfly, Women (Olympic) | 7 | |||||
| 4 × 100 metres Medley Relay, Women (Olympic) | Sweden | 4 | ||||
| 1984 Summer Olympics | Swimming (Aquatics) | SWE |
Agneta Mårtensson | |||
| 100 metres Butterfly, Women (Olympic) | =17 | |||||
| 4 × 100 metres Medley Relay, Women (Olympic) | Sweden |