| Mode: | Basketball |
| Year: | 2018–19 |
| Team: | Weber State Wildcats |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Record: | 18–15 |
| Conf Record: | 11–9 |
| Hc Year: | 13th |
| Asst Coach1: | Eric Duft |
| Asst Coach2: | Garrett Lever |
| Asst Coach3: | David Marek |
The 2018–19 Weber State Wildcats men's basketball team represented Weber State University during the 2018–19 NCAA Division I men's basketball season. The Wildcats were led by 13th-year head coach Randy Rahe and played their home games in the Dee Events Center in Ogden, Utah as members of the Big Sky Conference. They finished the season 18–15, 11–9 in Big Sky play to finish in a three-way tie for fourth place. They defeated Portland State in the quarterfinals of the Big Sky tournament to advance to the semifinals where they lost to Montana.
The Wildcats finished the 2017–18 season 20–11, 13–5 in Big Sky play to finish in a tie for third place. They lost in the quarterfinals of the Big Sky tournament to Northern Colorado.
| Name | Number | Pos. | Height | Weight | Year | Hometown | Reason for departure | |
|---|---|---|---|---|---|---|---|---|
| Riley Court | 4 | G | 6'4" | 180 | Freshman | Transferred to Dixie State | ||
| Trevon Ary-Turner | 21 | G | 6'3" | 185 | Freshman | Transferred to Dartmouth | ||
| Ryan Richardson | 22 | G | 6'4" | 185 | Senior | Graduated | ||
| Eric Patten | 24 | F | 6'6" | 240 | Sophomore | Walk-on; graduate transferred Dixie State | ||
| Dusty Baker | 25 | G/F | 6'4" | 190 | Senior | Graduated | ||
| Anton Vialen | 31 | C | 7'0" | 230 | Freshman | Left the team for personal reasons |
|-!colspan=9 style=| Exhibition|-!colspan=9 style=| Non-conference regular season|-!colspan=9 style=| Big Sky regular season|-!colspan=9 style=|Big Sky tournament