Dikembe Mutombo led the NBA in Blocks in 1999-00 with 11.
That is 2 more blocks than second-place Alonzo Mourning.
| Rk | Player | Team | Date | Value |
|---|---|---|---|---|
| 1 | Dikembe Mutombo | ATL | 2000-02-15 | 11 |
| 2 | Alonzo Mourning | MIA | 1999-12-18 | 9 |
| 3 | Dikembe Mutombo | ATL | 1999-12-23 | 9 |
| 4 | Alonzo Mourning | MIA | 2000-01-06 | 9 |
| 5 | Raef LaFrentz | DEN | 2000-01-08 | 9 |
| 6 | Alonzo Mourning | MIA | 2000-04-22 | 9 |
| 7 | Derrick Coleman | CHH | 1999-11-17 | 8 |
| 8 | Tim Duncan | SAS | 1999-11-26 | 8 |
| 9 | Shaquille O'Neal | LAL | 2000-03-31 | 8 |
| 10 | Alonzo Mourning | MIA | 1999-12-06 | 8 |
| 11 | Theo Ratliff | PHI | 2000-04-09 | 8 |
| 12 | Alonzo Mourning | MIA | 1999-12-10 | 8 |
| 13 | Shaquille O'Neal | LAL | 1999-11-15 | 8 |
| 14 | Alonzo Mourning | MIA | 2000-02-15 | 8 |
| 15 | Samaki Walker | SAS | 2000-04-25 | 8 |