| Year: | 1991 |
| Tour: | Senior PGA Tour |
| Regular Season: | – |
| No Of Events: | 38 |
| Most Wins: |  Mike Hill (5) |
| Honor1: | Money list |
| Honoree1: | Mike Hill |
| Honor2: | Player of the Year |
| Honoree2: | George Archer and Mike Hill (shared) |
| Honor3: | Rookie of the Year |
| Honoree3: | Jim Colbert |
| Prevseason: | 1990 |
| Nextseason: | 1992 |
The 1991 Senior PGA Tour was the 12th season of the Senior PGA Tour, the main professional golf tour in the United States for men aged 50 and over.
The following table lists official events during the 1991 season.[1] [2]
| Date | Tournament | Location | Purse (US$) | Winner | Notes | |
|---|---|---|---|---|---|---|
| Jan 6 | California | 350,000 |  Bruce Crampton (18) | |||
| Feb 3 | Florida | 450,000 |  Gary Player (18) | |||
| Feb 10 | Florida | 450,000 |  Bob Charles (17) | |||
| Feb 17 | Florida | 450,000 | Lee Trevino (8) | |||
| Mar 3 | California | 450,000 | Chi-Chi Rodríguez (17) | |||
| Mar 17 | Texas | 350,000 | Lee Trevino (9) | |||
| Mar 24 | California | 500,000 | Chi-Chi Rodríguez (18) | |||
| Apr 7 | The Tradition | Arizona | 800,000 | Jack Nicklaus (3) | Senior PGA Tour major championship | |
| Apr 21 | PGA Seniors' Championship | Florida | 500,000 | Jack Nicklaus (4) | Senior major championship | |
| Apr 28 | Texas | 300,000 | Mike Hill (6) | |||
| May 5 | Nevada | 450,000 | Chi-Chi Rodríguez (19) | |||
| May 12 | Texas | 400,000 | Chi-Chi Rodríguez (20) | Pro-Am | ||
| May 26 | Pennsylvania | 550,000 | Jim Ferree (2) | |||
| Jun 2 | New York | 400,000 | Charles Coody (3) | |||
| Jun 9 | The Senior Players Championship | Michigan | 1,000,000 | Jim Albus (1) | Senior PGA Tour major championship | |
| Jun 16 | New York | 400,000 | Rocky Thompson (1) | |||
| Jun 23 | North Carolina | 450,000 | Orville Moody (10) | |||
| Jun 30 | Missouri | 450,000 | Jim Colbert (1) | |||
| Jul 7 | Ohio | 600,000 | Al Geiberger (6) | |||
| Jul 14 | Seniors' British Open | England | £150,000 | Bobby Verwey (n/a) | Senior major championship | |
| Jul 14 | Rhode Island | 325,000 | Larry Ziegler (1) | |||
| Jul 21 | Illinois | 500,000 | Mike Hill (7) | |||
| Jul 28 | U.S. Senior Open | Michigan | 500,000 | Jack Nicklaus (5) | Senior major championship | |
| Aug 4 | New York | 450,000 | George Archer (6) | |||
| Aug 11 | Utah | 350,000 | Dale Douglass (7) | |||
| Aug 18 | Washington | 400,000 | Mike Hill (8) | |||
| Aug 25 | New Mexico | 350,000 | Lee Trevino (10) | |||
| Sep 1 | Indiana | 450,000 | George Archer (7) | |||
| Sep 8 | Michigan | 350,000 | Harold Henning (3) | |||
| Sep 15 | Massachusetts | 400,000 | Rocky Thompson (2) | |||
| Sep 22 | Georgia | 700,000 | Mike Hill (9) | New tournament | ||
| Sep 29 | Kentucky | 300,000 | DeWitt Weaver (1) | |||
| Oct 6 | North Carolina | 1,500,000 | Jim Colbert (2) | |||
| Oct 13 | California | 450,000 | George Archer (8) | |||
| Oct 20 | California | 500,000 | Charles Coody (4) | |||
| Oct 27 | California | 500,000 | John Brodie (1) | |||
| Dec 8 | Hawaii | 600,000 | Jim Colbert (3) | |||
| Dec 15 | Puerto Rico | 1,000,000 | Mike Hill (10) | Tour Championship |
The money list was based on prize money won during the season, calculated in U.S. dollars.[3]
| Position | Player | Prize money ($) | |
|---|---|---|---|
| 1 | 1,065,657 | ||
| 2 | 963,455 | ||
| 3 | 880,749 | ||
| 4 | 794,013 | ||
| 5 | 723,163 |
| Award | Winner(s) | ||
|---|---|---|---|
| [4] | |||
| [5] | |||
| [6] |