The 2004–05 Mid-American Conference men's basketball season began with practices in October 2004, followed by the start of the 2004–05 NCAA Division I men's basketball season in November.
Conference play began in January 2005 and concluded in March 2005.
Miami won the regular season title with a conference record of 12–6 by one game over a five-way tie for second place.
Fourth-seeded Ohio beat Miami in the semi-finals and defeated second-seeded Buffalo in overtime in the final.
[4] The preseason poll was announced by the league office on October 21, 2004.