Single Season Batting Leaders
| CATEGORY | RECORD | PLAYER | SCHOOL | NWL TEAM | YEAR |
| Batting Average | .437 | Luis Rivera | Florida Southern | Waterloo | 1995 |
| Home Runs | 22 | Zach Zubia
Andrew Sojka |
Texas
Cal State, Northridge |
Rochester
Willmar |
2017
2024 |
| RBI | 84 | Ben Moore | Alabama | Alexandria | 2012 |
| Hits | 112 | Mason McCoy | Illinois Central | La Crosse | 2015 |
| Stolen Bases | 55 | Chandler Simpson | Georgia Tech | Fond du Lac | 2021 |
| Runs Scored | 80 | Mason McCoy | Illinois Central | La Crosse | 2015 |
| Walks | 77 | Forrestt Allday | Central Arkansas | Willmar | 2012 |
Single Season Pitching Leaders
| CATEGORY | RECORD | PLAYER | SCHOOL | NWL TEAM | YEAR |
| Strikeouts | 134 | Jim Magrane | Iowa | Waterloo | 1999 |
| ERA | 0.74 | Tom Oldham | Creighton | Wisconsin | 2001 |
| Wins | 11 | David Parra | Northern Iowa | Waterloo | 1997 |
| Saves | 24 | Jake Toohey | Illinois | Rochester | 2006 |
| Complete Games | 7 | Multiple Players | |||
| Shutouts | 4 | Chris DeMaria | Long Beach State | St. Cloud | 2001 |
See Complete List of Single-Season Records
All-Time Career Batting Leaders
| CATEGORY | RECORD | PLAYER | NWL TEAM | YEAR(S) |
| Batting Average | .366 | Mike Rouse | Brainerd | 1999-2000 |
| Home Runs | 37 | Andrew Sojka | Fond du Lac, Willmar | 2022, 2023-2024 |
| RBI | 152 | Shayne Carnes | Waterloo | 1995-97 |
| Hits | 237 | Shayne Carnes | Waterloo | 1995-97 |
| Stolen Bases | 90 | Joey Bonadonna | Duluth/Madison | 2005-08 |
| Runs Scored | 137 | Mason McCoy | La Crosse | 2015-16 |
| Walks | 129 | Joey Bonadonna | Duluth/Madison | 2005-08 |
All-Time Career Pitching Leaders
| CATEGORY | RECORD | PLAYER | NWL TEAM | YEAR |
| Strikeouts | 251 | Zach Robertson | Rochester | 2007-09 |
| ERA | 1.41 | Dan Zehr | Thunder Bay | 2007-08 |
| Wins | 20 | Jim Magrane
Eamon Horwedel |
Waterloo
Kalamazoo |
1997-99
2019, 2022-24 |
| Saves | 34 | Brady Anderson | Willmar | 2014-15 |
| Games | 80 | Britt Carmicheal | St. Cloud | 1997-99 |
See Complete List of All-Time Career NWL Records
Additional League Records
NWL All-Time Annual Attendance
NWL All-Time Post Season All-Stars
NWL All-Time Post Season Standings
NWL Single Season Team Records
NWL Year-by-Year Team Pitching