WSSM
| Acronym | Definition |
|---|---|
| WSSM | Winchester Super Short Magnums (ammunition) |
| WSSM | Weapon System Support Manager |
| WSSM | Wyzsza Szkola Studiów Miedzynarodowych (Academy of International Studies, Poland) |
| WSSM | Westmoreland Suzuki School of Music (Pennsylvania) |
| WSSM | Weber Shandwick Square Mile (UK) |
| WSSM | Weapon System Staff Manager |