The 2012–13 Marquette Golden Eagles men's basketball team represented Marquette University in the 2012–13 NCAA Division I men's basketball season.

Marquette was coached by Buzz Williams and played their home games at the BMO Harris Bradley Center in Milwaukee, WI as were members of the Big East Conference.

They lost in the quarterfinals of the Big East tournament against Cincinnati.

The Golden Eagles received an at-large bid to the NCAA tournament where they defeated Davidson, Butler, and Miami, before losing to Syracuse in the Elite Eight.

[2] The Eagles received an at-large bid to the NCAA tournament where they defeated BYU and Murray State to advance to the Sweet Sixteen for the second consecutive year.