The 2004 Atlantic 10 Conference Baseball Championship was held from May 26–30 at Dodd Stadium in Norwich, CT. It featured the top two regular-season finishers of each six-team division, plus the next two best finishers. Fourth-seeded St. Bonaventure defeated Rhode Island in the title game to win the tournament for the first time, earning the Atlantic 10's automatic bid to the 2004 NCAA Tournament.