2018–19 Western Athletic Conference men's basketball season

The 2018–19 Western Athletic Conference men's basketball season began with practices in September 2018 and ended with the 2019 WAC men's basketball tournament March 2019 at the Orleans Arena in Las Vegas, NV. The season marks 56th season of Western Athletic Conference.

Pre-season
The WAC conducted a media teleconference on October 10, 2018 and released the media and coaches poll, as well as the preseason All-WAC teams and player of the year.

Media All-WAC Team
First Team
 * Damiyne Durham, CSU Bakersfield
 * AJ Harris, NM State
 * Matej Kavas, Seattle U
 * Alessandro Lever, Grand Canyon
 * Conner Toolson, Utah Valley

Second Team
 * Xavier Bishop, Kansas City
 * Eli Chuha, NM State
 * Oscar Frayer, Grand Canyon
 * Jake Toolson, Utah Valley
 * Terry Winn III, UT Rio Grande Valley

Player of the Year
 * Alessandro Lever, Grand Canyon

Coaches All-WAC Team
First Team
 * Oscar Frayer, Grand Canyon
 * AJ Harris, NM State
 * Matej Kavas, Seattle U
 * Alessandro Lever, Grand Canyon
 * Conner Toolson, Utah Valley

Second Team
 * Xavier Bishop, Kansas City
 * Eli Chuha, NM State
 * Damiyne Durham, CSU Bakersfield
 * Jake Toolson, Utah Valley
 * Terry Winn III, UT Rio Grande Valley

Player of the Year
 * Alessandro Lever, Grand Canyon

Conference matrix
This table summarizes the head-to-head results between teams in conference play. (x) indicates games remaining this season.