Here is the ranking for NAIA volleyball for the week of Sept. 6, 2021: The Top 25 rankings are presented by Emerald Quest.
| Rank | Team | Record | Previous |
| 1 | Jamestown | 9-0 | 1 |
| 2 | Midland | 13-0 | 2 |
| 3 | Viterbo | 12-1 | 4 |
| 4 | Corban | 8-0 | 5 |
| 5 | Providence (Mont.) | 7-1 | 7 |
| 6 | Park (Mo.) | 4-2 | 3 |
| 7 | Missouri Baptist | 5-2 | 6 |
| 8 | Dordt | 6-0 | 8 |
| 9 | Marian | 9-0 | 9 |
| 10 | Northwestern (Iowa) | 8-0 | 12 |
| 11 | Central Methodist | 8-0 | 14 |
| 12 | Bellevue | 5-0 | 10 |
| 13 | Montana Tech | 9-2 | 17 |
| 14 | Bethel (Ind.) | 12-1 | 18 |
| 15 | Indiana Wesleyan | 3-0 | 13 |
| 16 | IU Kokomo | 6-2 | 16 |
| 17 | Thomas More | 11-0 | 23 |
| 18 | College of St. Mary (Neb.) | 11-2 | 24 |
| 19 | Coastal Georgia | 9-0 | 20 |
| 20 | Mobile | 8-0 | 21 |
| 21 | Taylor | 11-1 | – |
| 22 | Arizona Christian | 6-0 | 25 |
| 23 | Life | 11-1 | – |
| 24 | Southern Oregon | 7-0 | – |
| 25 | Concordia (Neb.) | 4-3 | 11 |