| Acronym | Definition |
|---|
| YMS➣Yahoo Merchant Solutions |
| YMS➣Yahoo Messenger |
| YMS➣Young Micros Systems |
| YMS➣Yardley-Makefield Soccer (Pennsylvania) |
| YMS➣Yard Management System (system for managing container terminal yards) |
| YMS➣Yield Management System |
| YMS➣York Middle School |
| YMS➣Young Men's Survey |
| YMS➣Youngsville Middle School (Louisiana) |
| YMS➣Ynnä Muuta Sellaista (Finnish: And such like) |
| YMS➣Yamaha Music Schools |
| YMS➣Young Musicians Society |
| YMS➣Yard Management Software |
| YMS➣Young Members' Section (Institution of Engineering and Technology, Hong Kong) |
| YMS➣Yosemite Mountaineering School (California) |
| YMS➣Ysterplaat Medical Supplies |
| YMS➣Yorktown Middle School (Indiana) |
| YMS➣Yard Mine Sweeper |
| YMS➣District Motor Mine Sweeper (US Navy) |
| YMS➣Yurimaguas Airport (Peru) |
| YMS➣Yorkville Middle School (Illinois) |
| YMS➣Yield Management Solutions (magazine) |
| YMS➣Young Men's Shop |
| YMS➣Yale Medical School |
| YMS➣Yokosuka Middle School (Japan) |
| YMS➣Young Muslim Secretariat |
| YMS➣York Merchandising Systems |
| YMS➣Yatton Music Society (UK) |
| YMS➣Yerger Middle School (Arkansas) |
| YMS➣Yard Class Minesweeper |
| YMS➣Young Marine Scientists (Program) |
| YMS➣York Med Systems, Inc (Ontario) |
| YMS➣Younger People Affected by MS |
| YMS➣Yacht Management System |
| YMS➣Yoke Mounted Switch |
| YMS➣Young Musicians' Summer Festival (Brigham Young University School of Music) |
| YMS➣Youth Marketing Summit |
| YMS➣Youngsville Middle Library (Louisiana) |
| YMS➣Yrkesmiljøsenterets (Norway) |
| YMS➣Yardley Management Solutions, Inc |