Herb Williams led the NBA in Rebounds in 1988-89 with 29.
That is 4 more rebounds than second-place Hakeem Olajuwon.
| Rk | Player | Team | Date | Value |
|---|---|---|---|---|
| 1 | Herb Williams | IND | 1989-01-23 | 29 |
| 2 | Hakeem Olajuwon | HOU | 1989-02-21 | 25 |
| 3 | Mark Eaton | UTH | 1989-03-15 | 25 |
| 4 | Robert Parish | BOS | 1989-02-01 | 24 |
| 5 | Hakeem Olajuwon | HOU | 1989-03-14 | 24 |
| 6 | Robert Parish | BOS | 1989-02-05 | 23 |
| 7 | Mark Eaton | UTH | 1989-03-05 | 23 |
| 8 | Charles Barkley | PHL | 1988-11-28 | 23 |
| 9 | Hakeem Olajuwon | HOU | 1989-03-21 | 23 |
| 10 | Benoit Benjamin | LAC | 1989-03-17 | 23 |
| 11 | Moses Malone | ATL | 1988-11-08 | 22 |
| 12 | Moses Malone | ATL | 1989-01-03 | 22 |
| 13 | LaSalle Thompson | SAC | 1988-11-16 | 22 |
| 14 | Robert Parish | BOS | 1988-11-04 | 22 |
| 15 | Charles Barkley | PHL | 1988-11-30 | 22 |