| Year: | 1998 |
| Tour: | Senior PGA Tour |
| Regular Season: | – |
| No Of Events: | 39 |
| Most Wins: |  Hale Irwin (7) |
| Honor1: | Money list |
| Honoree1: | Hale Irwin |
| Honor2: | Player of the Year |
| Honoree2: | Hale Irwin |
| Honor3: | Rookie of the Year |
| Honoree3: | Joe Inman |
| Prevseason: | 1997 |
| Nextseason: | 1999 |
The 1998 Senior PGA Tour was the 19th 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 1998 season.[1] [2]
| Date | Tournament | Location | Purse (US$) | Winner | Notes | |
|---|---|---|---|---|---|---|
| Jan 18 | Hawaii | 1,000,000 | Gil Morgan (8) | |||
| Feb 1 | Florida | 850,000 |  David Graham (4) | |||
| Feb 8 | Florida | 1,200,000 | Gil Morgan (9) | |||
| Feb 15 | Florida | 1,100,000 | Jim Albus (6) | |||
| Feb 23 | Florida | 1,200,000 | Larry Nelson (1) | |||
| Mar 16 | California | 1,100,000 | Hale Irwin (14) | |||
| Mar 29 | Texas | 1,000,000 | Lee Trevino (28) | |||
| Apr 5 | The Tradition | Arizona | 1,400,650 | Gil Morgan (10) | Senior PGA Tour major championship | |
| Apr 19 | PGA Seniors' Championship | Florida | 1,500,000 | Hale Irwin (15) | Senior major championship | |
| Apr 26 | Nevada | 1,400,000 | Hale Irwin (16) | |||
| May 3 | Alabama | 1,150,000 | Hubert Green (1) | |||
| May 10 | North Carolina | 1,100,000 | Jim Dent (12) | |||
| May 17 | Missouri | 1,000,000 | Larry Ziegler (2) | |||
| May 24 | Pennsylvania | 1,100,000 | Jay Sigel (5) | |||
| May 31 | Pennsylvania | 1,100,000 | Larry Nelson (2) | |||
| Jun 7 | Georgia | 1,350,000 | John Jacobs (1) | |||
| Jun 14 | Tennessee | 1,300,000 |  Isao Aoki (8) | |||
| Jun 21 | Canada | 1,100,000 | Brian Barnes (3) | |||
| Jun 28 | New Jersey | 1,100,000 | Bob Dickson (1) | |||
| Jul 5 | Maryland | 1,250,000 | Bruce Summerhays (2) | |||
| Jul 12 | Ford Senior Players Championship | Michigan | 2,000,000 | Gil Morgan (11) | Senior PGA Tour major championship | |
| Jul 19 | Illinois | 1,300,000 | Hale Irwin (17) | |||
| Jul 26 | U.S. Senior Open | California | 1,500,000 | Hale Irwin (18) | Senior major championship | |
| Aug 2 | Utah | 1,000,000 | Gil Morgan (12) | |||
| Aug 9 | Senior British Open | Northern Ireland | £375,000 | Brian Huggett (n/a) | Senior major championship | |
| Aug 9 | Minnesota | 1,500,000 | Leonard Thompson (1) | |||
| Aug 16 | Michigan | 1,000,000 | George Archer (18) | |||
| Aug 23 | New York | 1,000,000 |  Gary Player (22) | |||
| Aug 30 | Massachusetts | 1,000,000 | Hale Irwin (19) | |||
| Sep 6 | Florida | 1,100,000 | Dana Quigley (2) | |||
| Sep 13 | Indiana | 1,150,000 | Hugh Baiocchi (2) | |||
| Sep 20 | Ohio | 1,100,000 | Hugh Baiocchi (3) | |||
| Sep 27 | Missouri | 1,300,000 | Larry Nelson (3) | |||
| Oct 4 | North Carolina | 1,500,000 | Gil Morgan (13) | |||
| Oct 11 | California | 1,000,000 | Jim Colbert (19) | |||
| Oct 18 | California | 1,000,000 | Dana Quigley (3) | |||
| Oct 25 | Hawaii | 1,000,000 | Jay Sigel (6) | |||
| Nov 1 | California | 1,100,000 | Joe Inman (1) | |||
| Nov 8 | South Carolina | 2,000,000 | Hale Irwin (20) | Tour Championship |
The following events were sanctioned by the Senior PGA Tour, but did not carry official money, nor were wins official.
The money list was based on prize money won during the season, calculated in U.S. dollars.[3]
| Position | Player | Prize money ($) | |
|---|---|---|---|
| 1 | 2,861,945 | ||
| 2 | 2,179,047 | ||
| 3 | 1,442,476 | ||
| 4 | 1,403,912 | ||
| 5 | 1,183,959 |
| Award | Winner | ||
|---|---|---|---|
| [4] | |||
| [5] | |||