Hakeem Olajuwon had the most Blocks in a game in 1990-91 with 11.
Hakeem Olajuwon shares the top spot with David Robinson.
| Rk | Player | Team | Date | Blocks |
|---|---|---|---|---|
| 1 | HO Hakeem Olajuwon![]() | HOU | 1990-12-20 | 11 |
| 2 | DR David Robinson![]() | SAN | 1990-12-28 | 11 |
| 3 | DR David Robinson![]() | SAN | 1991-01-12 | 11 |
| 4 | SK Shawn Kemp![]() | SEA | 1991-01-18 | 10 |
| 5 | DR David Robinson![]() | SAN | 1991-01-10 | 10 |
| 6 | MB Manute Bol![]() | PHL | 1991-02-14 | 10 |
| 7 | BB Benoit Benjamin![]() | LAC | 1991-02-15 | 9 |
| 8 | PE Patrick Ewing![]() | NYK | 1991-01-23 | 9 |
| 9 | HO Hakeem Olajuwon![]() | HOU | 1991-03-15 | 9 |
| 10 | HO Hakeem Olajuwon![]() | HOU | 1991-04-21 | 9 |
| 11 | DC Duane Causwell![]() | SAC | 1991-04-18 | 9 |
| 12 | DR David Robinson![]() | SAN | 1991-04-21 | 9 |
| 13 | MB Manute Bol![]() | PHL | 1991-04-18 | 9 |
| 14 | SB Sam Bowie![]() | NJN | 1990-12-01 | 9 |
| 15 | RS Rik Smits![]() | IND | 1990-11-30 | 8 |