| Sport: | Basketball |
| Sex: | none |
| Year: | 2018–19 |
| Team: | LSU Tigers |
| Conference: | Southeastern Conference |
| Short Conf: | SEC |
| Record: | 28–7 |
| Conf Record: | 16–2 |
| Coachrank: | 15 |
| Aprank: | 12 |
| Head Coach: | Will Wade (2nd season) |
| Head Coach2: | Tony Benford (interim) |
| Asst Coach1: | Bill Armstrong |
| Asst Coach3: | Greg Heiar |
| Champion: | SEC regular season champions |
| Tourney Result: | Sweet Sixteen |
The 2018–19 LSU Tigers basketball team represented Louisiana State University during the 2018–19 NCAA Division I men's basketball season. The team's head coach was Will Wade, in his second season at LSU. Tony Benford also served as interim head coach for the last regular season game, 2019 SEC men's basketball tournament and 2019 NCAA Division I men's basketball tournament. They played their home games at the Pete Maravich Assembly Center in Baton Rouge, Louisiana, as a member of the Southeastern Conference. They finished the season 28-7, 16-2 in SEC Play to finish as SEC regular season champions.. They lost in the quarterfinals of the SEC tournament to Florida. They received an at-large bid to the NCAA tournament where they defeated Yale and Maryland to advance to the Sweet Sixteen where they lost to Michigan State.
The Tigers finished the 2017–18 season 18–15, 8–10 in SEC play to finish in a tie for ninth place. They lost in the second round of the SEC tournament to Mississippi State. The Tigers received an invitation to the National Invitation Tournament where they defeated Louisiana before losing in to Utah in the second round.
| Name | Number | Pos. | Height | Weight | Year | Hometown | Reason for departure | |
|---|---|---|---|---|---|---|---|---|
| 0 | G | 6'5" | 184 | Declared for the 2018 NBA draft | ||||
| 1 | F | 6'11" | 244 | Graduated | ||||
| 2 | G | 6'5" | 215 | Transferred to Pearl River CC | ||||
| Galen Alexander | 10 | F | 6'6" | 210 | Dismissed from the team[1] | |||
| 13 | F | 6'7" | 215 | Graduated | ||||
| Randy Onwausor | 14 | G | 6'3" | 210 | Graduated | |||
| Reed Vial | 15 | G | 6'3" | 190 | Walk-on; left the team for personal reasons | |||
| 21 | F | 6'10" | 214 | Graduated | ||||
| Mayan Kiir | 35 | F | 6'9" | 217 | Dismissed from the team | |||
| Wayde Sims | 44 | F | 6'6" | 217 | Deceased[2] |
| Name | Number | Pos. | Height | Weight | Year | Hometown | Previous School | |
|---|---|---|---|---|---|---|---|---|
| Marlon Taylor | 14 | F | 6'6" | Junior | Panola College | |||
| Danya Kingsby | 20 | G | 6'1" | 165 | Junior | College of Southern Idaho | ||
| Courtese Cooper | 21 | F | 6'9" | 205 | Sophomore | Triton College |
|-!colspan=12 style=|Non-conference regular season|-!colspan=12 style=| SEC regular season|-!colspan=12 style=| SEC Tournament|-!colspan=12 style=| NCAA tournament
See also: 2018–19 NCAA Division I men's basketball rankings. *AP does not release post-NCAA Tournament rankings
^Coaches did not release a Week 2 poll.