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