| Year: | 1991 |
| Conference: | Atlantic Coast Conference |
| Shortconference: | ACC |
| Division: | I |
| Teams: | 8 |
| Format: | Eight-team double elimination |
| Ballpark: | Greenville Municipal Stadium |
| City: | Greenville, South Carolina |
| Champions: | Clemson |
| Titlecount: | 6th |
| Coach: | Bill Wilhelm |
| Coachcount: | 6th |
| Mvp: | Michael Spiers |
| Mvpteam: | Clemson |
| Attendance: | 37,561 |
The 1991 Atlantic Coast Conference baseball tournament was held in Greenville, SC from May 11 through 14. Clemson won the tournament and earned the Atlantic Coast Conference's automatic bid to the 1991 NCAA Division I baseball tournament.
| Team | W | L | Pct. | GB | Seed | |
|---|---|---|---|---|---|---|
| 18 | 3 | |||||
| 12 | 8 | |||||
| 11 | 10 | |||||
| 10 | 10 | |||||
| 10 | 10 | |||||
| 10 | 11 | |||||
| 6 | 15 | |||||
| 6 | 15 |
| Position | Player | School | |
|---|---|---|---|
| 1B | Pat Clougherty | NC State | |
| 2B | Jim Crowley | Clemson | |
| 3B | Andy Bruce | Georgia Tech | |
| SS | Jason Cook | Virginia | |
| C | Kevin O'Sullivan | Virginia | |
| OF | Michael Spiers | Clemson | |
| OF | Jeff Pierce | NC State | |
| OF | Anthony Byrd | Georgia Tech | |
| DH | Eric Macrina | Clemson | |
| SP | Jason Angel | Clemson | |
| RP | Scott Miller | Clemson | |
| MVP | Michael Spiers | Clemson |
(*)Denotes Unanimous Selection