| Mode: | Basketball |
| Year: | 2018–19 |
| Team: | Marshall Thundering Herd |
| Conference: | Conference USA |
| Short Conf: | C-USA |
| Record: | 23–14 |
| Conf Record: | 11–7 |
| Hc Year: | 5th |
| Asst Coach1: | Mark Cline |
| Asst Coach2: | Scott Rigot |
| Champion: | Jim Phelan Classic champions |
| Bowl Result: | Champions |
The 2018–19 Marshall Thundering Herd men's basketball team represented Marshall University during the 2018–19 NCAA Division I men's basketball season. The Thundering Herd, led by fifth-year head coach Dan D'Antoni, played their home games at the Cam Henderson Center as members of Conference USA. They finished the season 23–14, 11–7 in C-USA play to finish in sixth place. They defeated Rice before losing to Southern Miss in the quarterfinals of the C-USA tournament. They were invited to the CollegeInsider.com Tournament where they defeated IUPUI, Presbyterian, Hampton and Green Bay to become CIT champions.
The Thundering Herd finished the 2017–18 season 25–11, 12–6 in C-USA play to finish in fourth place. They defeated UTSA, Southern Miss, and Western Kentucky to become champions of the C-USA tournament. They received C-USA's automatic bid to the NCAA tournament where, as a No. 13 seed, they upset No. 4 seed Wichita State 81–75 in the first round before losing to No. 5 seed and rival West Virginia in the second round.
| Name | Number | Pos. | Height | Weight | Year | Hometown | Notes | |
|---|---|---|---|---|---|---|---|---|
| Phil Bledsoe | 32 | G/F | 6'6" | 220 | Sophomore | Transferred to Glenville State | ||
| Ot Elmore | 12 | G | 6'2" | 197 | RS Senior | Graduated | ||
| Will Fenton | 24 | G | 6'6" | 205 | Freshman | Walk-on; did not return | ||
| Dani Koljanin | 1 | F | 6'8" | 220 | Junior | Transferred to Little Rock | ||
| Milan Mijović | 50 | F | 6'9" | 255 | Senior | Graduated | ||
| 11 | F | 6'9" | 220 | Junior | Declared for 2018 NBA draft[1] | |||
| Marcus Reed | 5 | G | 6'0" | 175 | Senior | Graduated | ||
| Christian Villers | 4 | G | 6'3" | 180 | Freshman | Walk-on; did not return |
| Name | Number | Pos. | Height | Weight | Year | Hometown | Previous School | |
|---|---|---|---|---|---|---|---|---|
| Ante Šustić | 12 | F | 6'10" | 230 | Junior | Junior college transferred from Highland Community College | ||
| Mikel Beyers | 31 | F | 6'8" | 215 | Sophomore | Junior college transferred from Mesa Community College |
|-!colspan=12 style=| Exhibition|-!colspan=12 style=| Non-Conference Regular season|-!colspan=9 style=| Conference USA regular season|-!colspan=9 style=| Conference USA tournament|-!colspan=12 style=|CollegeInsider.com Postseason tournament|-[2] [3]