The 2018–19 Wright State Raiders men's basketball team represented Wright State University during the 2018–19 NCAA Division I men's basketball season.

The Raiders, led by third-year head coach Scott Nagy, played their home games at the Nutter Center in Fairborn, Ohio, as members of the Horizon League.

They defeated IUPUI and Green Bay to advance to the championship game of the Horizon League tournament where they lost to Northern Kentucky.

In the Horizon League tournament, they defeated Green Bay, Milwaukee, and Cleveland State to become Horizon League Tournament champions.

This received the Horizon League's automatic bid to the NCAA tournament, where they lost to Tennessee in the first round.