WMA
- MIDP
- W.M.A. (Pearl Jam song)
- WMAS (disambiguation)
- War Measures Act
- Warsash Maritime Academy
- Washington metropolitan area
- Ways and means advances
- Weighted moving average
- Western Marble Arch
- Western Music Association
- Western martial arts
- Wildlife Management Area
- William Morris Agency
- Windows Media Audio
- World Marketing Alliance
- World Masters Athletics
- World Medical Association
- World Metal Alliance
- World Music Awards