| Acronym | Definition |
|---|
| WMS | Women's Missionary Society |
| WMS | Wilderness Medical Society |
| WMS | Workforce Management Software |
| WMS | Williams Syndrome |
| WMS | Woodland Middle School |
| WMS | Work Management System |
| WMS | Workflow Management System |
| WMS | Wireless Maritime Services (Miramar, FL) |
| WMS | Workload Management System |
| WMS | Wisconsin Medical Society |
| WMS | Welfare Monitoring Survey |
| WMS | Wide-Area Master Station |
| WMS | Wyoming Medical Society |
| WMS | Wireless Multimedia System |
| WMS | Woodbury Middle School |
| WMS | Wasting Marmoset Syndrome |
| WMS | Wildwood Middle School (St. Louis, Missouri) |
| WMS | Wire Management System |
| WMS | Wild Monkey Sex (La Femme Nikita fandom) |
| WMS | William Morris Society |
| WMS | Workflow Management Services |
| WMS | Wisconsin Mycological Society (New Berlin, Wisconsin) |
| WMS | Wireless Messaging Service |
| WMS | Where's My Socks |
| WMS | Wedgewood Middle School (Pensacola, FL, USA) |
| WMS | Weisenborn Middle School (Huber Heights, Ohio) |
| WMS | Wilbur Middle School (Wichita, KS) |
| WMS | Wartime Material Support |
| WMS | Whiteside Middle School (Belleville, Illinois) |
| WMS | Wide Field Planetary Camera Mechanical Simulator |
| WMS | Weekly Maintenance Shutdown |
| WMS | Woodham Middle School (Pensacola, FL) |
| WMS | Westwinds Music Society (Calgary, AB, Canada) |
| WMS | West Marin School (California) |
| WMS | Website Management System |
| WMS | Waikato Management School (New Zealand) |
| WMS | Whitman Middle School (various locations) |
| WMS | Waste Management Solutions (UK) |
| WMS | Workforce Management Solution |
| WMS | Weill-Marchesani Syndrome |
| WMS | Wavelength Management System (Tellium) |
| WMS | Wealth Management Service (finance; various companies) |
| WMS | Water Management System |
| WMS | World Market Share |
| WMS | Washington Manufacturing Services |
| WMS | Water Management Strategy |
| WMS | Watershed Modeling System |
| WMS | Warehouse Management System |
| WMS | Waste Management System |
| WMS | Web Mail Service |
| WMS | Wheel Mounting Surface |
| WMS | Western Modern Science (as opposed to multicultural understandings of the universe) |
| WMS | Wechsler Memory Scale |
| WMS | Web Management System |
| WMS | Web Map Service (open geospatial consortium specification) |
| WMS | Wealth Management Specialist |
| WMS | West Middle School (Rochester Hills, MI) |
| WMS | Washington Middle School (Olympia/Seattle, WA) |
| WMS | Warwick Medical School (UK) |
| WMS | Web Mail Server |
| WMS | Warrant management System (law enforcement) |
| WMS | Water Monitoring System (various locations) |