The 2019–20 American Eagles men's basketball team represented American University during the 2019–20 NCAA Division I men's basketball season. The Eagles, led by seventh-year head coach Mike Brennan, play their home games at Bender Arena in Washington, D.C. as members of the Patriot League. They finished the season 16–14, 12–6 in Patriot League play to finish in a tie for second place. They lost in the quarterfinals of the Patriot League tournament to Bucknell.