| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Dietmar•Seiz |
| Used name | Dietmar•Seiz |
| Born | 6 December 1942 in Stuttgart, Baden-Württemberg (GER) |
| Measurements | 182 cm / 77 kg |
| Affiliations | SV Ludwigsburg, Ludwigsburg (GER) |
| NOC | West Germany |
Dietmar Seiz played for the West German water polo team that finished 10th at the 1968 Mexico City Olympics, losing 7-5 to Spain in the final round. Domestically Seiz played with SV Ludwigsburg.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1968 Summer Olympics | Water Polo (Aquatics) | FRG |
Dietmar Seiz | |||
| Water Polo, Men (Olympic) | West Germany | 10 |