2004 Big East Conference baseball tournament

The 2004 Big East Conference baseball tournament was held at Commerce Bank Ballpark in Bridgewater, New Jersey. This was the twentieth annual Big East Conference baseball tournament. The won their third tournament championship in a row and claimed the Big East Conference's automatic bid to the 2004 NCAA Division I baseball tournament. Notre Dame would go on to win five championships in a row.

Format and seeding
The Big East baseball tournament was a 4 team double elimination tournament in 2004. The top four regular season finishers were seeded one through four based on conference winning percentage only.

Jack Kaiser Award
Matt Macri was the winner of the 2004 Jack Kaiser Award. Macri was a junior third baseman for Notre Dame.