The 2015–16 Lehigh Mountain Hawks men's basketball team represented Lehigh University during the 2015–16 NCAA Division I men's basketball season.

The Mountain Hawks, led by ninth year head coach Brett Reed, played their home games at Stabler Arena and were members of the Patriot League.

They advanced to the championship game of the Patriot League tournament, where they lost to Holy Cross.

The Mountain Hawks finished the season 16–14, 10–8 in Patriot League play to finish in third place.

They lost in the quarterfinals of the Patriot League tournament to American.