Elvin Hayes led the NBA in Blocks in 1976-77 with 9.
Elvin Hayes shares the top spot with Dan Roundfield.
| Rk | Player | Team | Date | Value |
|---|---|---|---|---|
| 1 | Elvin Hayes | WAS | 1977-03-06 | 9 |
| 2 | Dan Roundfield | IND | 1977-02-21 | 9 |
| 3 | Artis Gilmore | CHI | 1977-03-25 | 9 |
| 4 | Bill Walton | POR | 1977-01-26 | 9 |
| 5 | Elmore Smith | MIL | 1976-12-07 | 9 |
| 6 | Kareem Abdul-Jabbar | LAL | 1977-03-25 | 9 |
| 7 | Kevin Kunnert | HOU | 1977-02-03 | 9 |
| 8 | Bob Lanier | DET | 1977-02-04 | 9 |
| 9 | Kareem Abdul-Jabbar | LAL | 1977-04-22 | 9 |
| 10 | Elvin Hayes | WAS | 1976-11-25 | 8 |
| 11 | Bill Walton | POR | 1977-06-05 | 8 |
| 12 | Artis Gilmore | CHI | 1977-02-01 | 8 |
| 13 | Caldwell Jones | PHL | 1977-03-20 | 8 |
| 14 | Kareem Abdul-Jabbar | LAL | 1977-05-10 | 8 |
| 15 | Kareem Abdul-Jabbar | LAL | 1977-02-27 | 8 |