1981 Geneva Open

{{short description|Tennis tournament}}

{{TennisEventInfo|1981|Geneva Open|

| date=21–27 September

| edition=2nd

| category=Grand Prix

| surface=Clay / outdoor

| draw=32S / 16D

| prize_money=$75,000

| location=Geneva, Switzerland

| champs={{flagicon|SWE}} Björn Borg{{cite web |title=1981 Geneva – Singles draw |url=https://www.atptour.com/en/scores/archive/geneva/322/1981/draws?matchtype=singles |publisher=Association of Tennis Professionals (ATP)}}

| champd={{flagicon|SUI}} Heinz Günthardt / {{flagicon|HUN|1957}} Balázs Taróczy{{cite web |title=1981 Geneva – Doubles draw |url=https://www.atptour.com/en/scores/archive/geneva/322/1981/draws?matchtype=doubles |publisher=Association of Tennis Professionals (ATP)}}

}}

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.