2005 Atlantic Hockey men's ice hockey tournament

The 2005 AHA Men's Ice Hockey Tournament was the 2nd Atlantic Hockey Men's Ice Hockey Tournament. It was played between March 9 and March 19, 2005. Play-in and quarterfinal games were played at home team campus sites, while the semifinals and championship games were played at the Quinnipiac home venue: Northford Ice Pavilion in Northford, Connecticut. By winning the tournament, Mercyhurst received the Atlantic Hockey Association's automatic bid to the 2005 NCAA Division I Men's Ice Hockey Tournament.