The 2003 Big East Conference baseball tournament was held at Commerce Bank Ballpark in Bridgewater, New Jersey.
This was the nineteenth annual Big East Conference baseball tournament.
The Notre Dame Fighting Irish won their second tournament championship in a row and claimed the Big East Conference's automatic bid to the 2003 NCAA Division I baseball tournament.
The top four regular season finishers were seeded one through four based on conference winning percentage only.
[3] [3] Javi Sanchez was the winner of the 2003 Jack Kaiser Award.