| Champ: |  Scott Davis David Pate |
| Runner: | Patrick McEnroe David Wheaton |
| Score: | 6–1, 4–6, 6–4, 5–7, 9–7 |
| Before Name: | Australian Open – Men's doubles |
| After Name: | Australian Open – Men's doubles |
See main article: 1991 Australian Open. Pieter Aldrich and Danie Visser were the defending champions, but lost in the first round to Paul Haarhuis and Mark Koevermans.
Scott Davis and David Pate won the title, defeating Patrick McEnroe and David Wheaton 6–1, 4–6, 6–4, 5–7, 9–7, in the final. This was Pate's first Grand Slam title and final, despite gaining the World No. 1 ranking two weeks earlier.
John Fitzgerald and Anders Järryd lost in the third round to McEnroe and Wheaton. It was their only Grand Slam loss of the year, as they won the other three majors in 1991.