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