| Year: | 1989 |
| Conference: | Atlantic Coast Conference |
| Shortconference: | ACC |
| Division: | I |
| Teams: | 8 |
| Format: | Eight-team double elimination |
| Ballpark: | Greenville Municipal Stadium |
| City: | Greenville, South Carolina |
| Titlecount: | 5th |
| Coach: | Bill Wilhelm |
| Coachcount: | 5th |
| Mvp: | Brian Barnes |
| Mvpteam: | Clemson |
| Attendance: | 40,078 |
The 1989 Atlantic Coast Conference baseball tournament was held in Greenville, SC from May 13 through 16. won the tournament and earned the Atlantic Coast Conference's automatic bid to the 1989 NCAA Division I baseball tournament.
| Team | W | L | PCT | GB | Seed | |
|---|---|---|---|---|---|---|
| 15 | 4 | – | 1 | |||
| 13 | 5 | 1.5 | 2 | |||
| 13 | 6 | 2 | 3 | |||
| 10 | 10 | 5.5 | 4 | |||
| 9 | 10 | 6 | 5 | |||
| 7 | 11 | 7.5 | 6 | |||
| 4 | 13 | 10 | 7 | |||
| 2 | 14 | 11.5 | 8 |
| Position | Player | School | |
|---|---|---|---|
| 1B | Mike Milchin | Clemson | |
| 2B | Henry Threadgill | Clemson | |
| 3B | Neil Avent | Wake Forest | |
| SS | Rusty Charpia | Clemson | |
| C | Jesse Levis | North Carolina | |
| OF | Brian Kowitz | Clemson | |
| OF | Todd Nichols | North Carolina | |
| OF | Chris Kughn | Virginia | |
| DH | Brad Woodall | North Carolina | |
| SP | Brian Barnes | Clemson | |
| RP | Frank Humber | Wake Forest | |
| MVP | Brian Barnes | Clemson |
(*)Denotes Unanimous Selection