The 1998–99 Michigan Wolverines men's basketball team represented the University of Michigan in intercollegiate college basketball during the 1998–99 season. The team played its home games in the Crisler Arena in Ann Arbor, Michigan, and was a member of the Big Ten Conference. Under the direction of head coach Brian Ellerbe, the team finished tied for ninth in the Big Ten Conference. The team earned a tenth seed and advanced to the second round of the 1999 Big Ten Conference Men's Basketball Tournament. The team failed to earn an invitation to either the 1999 National Invitation Tournament or the 1999 NCAA Men's Division I Basketball Tournament. The team was unranked for all eighteen weeks of Associated Press Top Twenty-Five Poll, and it also ended the season unranked in the final USA Toda