The 2005–06 Dayton Flyers men's basketball team represented the University of Dayton during the 2005–06 NCAA Division I men's basketball season.

The Flyers, led by third year head coach Brian Gregory, played their home games at the University of Dayton Arena and were members of the Atlantic 10 Conference.

[2] The Flyers started the season 8-3, including a win at Cincinnati, the program's first win on their rivals home court since 1984,[3] before losing 7 games in a row.

The Flyers lost to Saint Joseph's in the first round of the Atlantic 10 tournament.

The Flyers season ended in the quarterfinals of the 2005 Atlantic 10 men's basketball tournament against Temple.