The 1981 Geneva Open was a men's tennis tournament played on clay courts that was part of the 1981 Volvo Grand Prix.

It was played at Geneva, Switzerland and was held from 21 September until 27 September 1981.

First-seeded Björn Borg won the singles title.

Björn Borg defeated Tomáš Šmíd 6–4, 6–3 Heinz Günthardt / Balázs Taróczy defeated Pavel Složil / Tomáš Šmíd 6–4, 3–6, 6–2

This tennis competition on the ATP Tour article is a stub.