| Acronym | Definition |
|---|
| WamS | Welt Am Sonntag (Sunday World; German newspaper) |
| WamS | Washington Academic Middle School (Sanger, CA) |
| WamS | Wide Area Measurement System |
| WamS | Wide Area Monitoring System |
| WamS | Walk a Myelin Our Shoes (foundation; est. 2010) |
| WamS | Women Against Multiple Sclerosis |
| WamS | Wide Area Management Services |
| WamS | Waterbury Arts Magnet School (Waterbury, Connecticut) |
| WamS | Walgett Aboriginal Medical Service (Australia) |
| WamS | Widening Access to Medical School (UK) |
| WamS | William Annin Middle School (Basking Ridge, NJ) |
| WamS | William Allen Middle School (Moorestown, NJ) |
| WamS | Willamette Agate and Mineral Society |
| WamS | Wireless Application Messaging Server |
| WamS | Waterway Analysis and Management System |
| WamS | Web-Based Abstract Management System |
| WamS | Wear Applications & Management Services |
| WamS | Web 2.0: Applications, Modeling and Simulation (International Workshop) |
| WamS | Work Action Management System |
| WamS | Waiter Actor Model Singer (Fall Out Boy song) |
| WamS | Wireless Access Mobility Services |
| WamS | Wideband Antijam Modem System |
| WamS | Worcester Art Museum School |
| WamS | When All Missiles Shoot |