This is a list of the 1989 PGA Tour Qualifying School graduates. 59 players earned their 1990 PGA Tour card through Q-School in 1989.
| Place | Player | Notes |
|---|---|---|
| 1 | ||
| 2 |  Tommy Moore | |
| 3 | ||
| 4 | David Canipe | |
| T5 | 1 Asia Golf Circuit win | |
| 3 PGA Tour wins | ||
| 7 | Ray Barr Jr. | |
| 8 | Jim Woodward | |
| 9 | ||
| T10 | 1 European Tour win | |
| 1 Asia Golf Circuit win | ||
| Dennis Harrington | ||
| Greg Hickman | ||
| T18 | ||
| T20 | Bill Buttner | |
| Tom Eubank | ||
| Steve LaMontagne | ||
| Jeff Wilson | ||
| Bob Wolcott | ||
| T30 | Steve Hart | |
| 2 Canadian Tour wins | ||
| T33 | Carl Cooper | |
| 1 PGA Tour win | ||
| 1 PGA Tour win | ||
| 3 PGA Tour wins | ||
| T37 | 1 European Tour win | |
| Dewey Arnette | ||
| Tom Silva | ||
| Mike Smith | ||
| Harry Taylor | ||
| T48 | Mitch Adcock | |
| T50 | 2 Asia Golf Circuit wins | |
| John Dowall | ||
| Jack Ferenz | ||
| Paul Trittler | ||
| 1 Canadian Tour win |