 United States Merchant Marine AcademyDIIIKings Point, NY · Mariners | Skyline Conference | Dan PaccioneHead coach since at least 2023 | 40 | |
 University of DubuqueDIIIDubuque, IA · Spartans | Northern Athletics Collegiate Conference | Tyler ThomasHead coach since at least 2024 | 31 | |
 University of HartfordDIIIWest Hartford, CT · Hawks | Conference of New England | Ryan MartinHead coach since at least 2023 | 47 | |
 University of LynchburgDIIILynchburg, VA · Hornets | Old Dominion Athletic Conf. | Steve KoudelkaHead coach since at least 2023 | 58 | |
 University of Mary WashingtonDIIIFredericksburg, VA · 1301 College Ave. | Coastal Lacrosse Conference | Kyle Hofstaedter2nd season since 2026 | 66 | |
 University of Massachusetts-BostonDIIIBoston, MA · UMass Boston | Little East Conference | Tyler LowHead coach since at least 2023 | 42 | |
 University of Massachusetts-DartmouthDIIIDartmouth, MA · Corsairs | Little East Conference | Dan Sharbaugh | — | No roster |
 University of Mount Saint VincentDIIIBronx, NY · Dolphins | Skyline Conference | James Fitzgerald6th season since 2022 | 26 | |
 University of Mount UnionDIIIAlliance, OH · Purple Raiders | Ohio Athletic Conference | Dominic Perella6th season since 2022 | 57 | |
 University of New EnglandDIIIBiddeford, ME · Nor'easters | Conference of New England | Charles Burch | 31 | |
 University of Pittsburgh-BradfordDIIIBradford, PA · Panthers | Heartland Collegiate Men's Lacrosse Conference | Scotty Gwyn | 28 | |
 University of Saint JosephDIIIWest Hartford, CT · Joey the Blue Jay | Great Northeast Athletic Conference | Andrew FinkHead coach since at least 2024 | 34 | |
 University of ScrantonDIIIScranton, PA · Royals/Lady Royals | Landmark Conference | Michael HofmeisterHead coach since at least 2023 | 53 | |
 University of Southern MaineDIIIGorham, ME · Huskies | Little East Conference | Sam MandersHead coach since at least 2023 | 25 | |
 Ursinus CollegeDIIICollegeville, PA · Bears | Centennial Conference | Ryan Burke | 44 | |
 Utica UniversityDIIIUtica, NY · Pioneers | Empire 8 | Sean Behan4th season since 2024 | 31 | |
 Vassar CollegeDIIIPoughkeepsie, NY · Brewers | Liberty League | John McCreery9th season since 2019 | 52 | |
| Wabash College DIIICrawfordsville, IN · Little Giants | North Coast Athletic Conference | Nate WebberHead coach since at least 2024 | 40 | |
 Warren Wilson CollegeDIIISwannonoa, NC · 701 Warren Wilson Rd | Coastal Lacrosse Conference | Jeffrey Woodside9th season since 2019 | 15 | |
 Washington & Jefferson CollegeDIIIWashington, PA · Presidents | Presidents' Athletic Conference | Jacob Bow3rd season since 2025 | 21 | |
 Washington and Lee UniversityDIIILexington, VA · Generals | Old Dominion Athletic Conf. | Terlynn Olds | 53 | |
 Washington CollegeDIIIChestertown, MD · 300 Washington Avenue | Centennial Conference | John NostrantHead coach since at least 2023 | 55 | |
 Wentworth Institute of TechnologyDIIIBoston, MA · Leopards | Conference of New England | Dan RussoHead coach since at least 2023 | 40 | |
 Wesleyan UniversityDIIIMiddletown, CT · Cardinals | New England Small College Athletic Conference | John Raba31st season since 1997 | 62 | |
 Western Connecticut State UniversityDIIIDanbury, CT · Wolves | Little East Conference | Ryan Cavanagh12th season since 2016 | 39 | |
 Western New England UniversityDIIISpringfield, MA · WNE | Conference of New England | John Klepacki26th season since 2002 | 37 | |
 Westminster CollegeDIIINew Wilmington, PA · Titans | Presidents' Athletic Conference | Anthony Accardi6th season since 2022 | 51 | |
 Wheaton College (Massachusetts)DIIINorton, MA · Lyons | New England Women's and Men's Athletic Conference | Not listed | 42 | |
 Widener UniversityDIIIChester, PA · Pride | Middle Atlantic Conference Commonwealth | Robert Chambers5th season since 2023 | 24 | |
 Wilkes UniversityDIIIWilkes-Barre, PA · Colonels | Landmark Conference | Jordan Drumheller3rd season since 2025 | 27 | |
 William Peace UniversityDIIIRaleigh, NC · Peace | USA South Athletic Conference | Troy Humphrey3rd season since 2025 | 30 | |
 Williams CollegeDIIIWilliamstown, MA · Ephs | New England Small College Athletic Conference | George McCormack23rd season since 2005 | 42 | |
| Wilmington College (Ohio) DIIIWilmington, OH · Quakers | Ohio Athletic Conference | Brian KingsburyHead coach since at least 2025 | 25 | |
 Wittenberg UniversityDIIISpringfield, OH · Tigers | North Coast Athletic Conference | Jay OwenHead coach since at least 2023 | 24 | |
 York College of PennsylvaniaDIIIYork, PA · Spartans | Middle Atlantic Conference Commonwealth | Brandon Childs17th season since 2011 | 54 | |
