| Champ: |  Gastón Gaudio |
| Runner: | Stanislas Wawrinka |
| Score: | 6–4, 6–4 |
| Type: | singles doubles |
See main article: 2005 Allianz Suisse Open Gstaad. Roger Federer was the defending champion, but did not participate this year.
Gastón Gaudio won the tournament, beating Stanislas Wawrinka in the final, 6–4, 6–4.