| Acronym | Definition |
|---|
| UPSS➣Universal Parcel Shipping Software |
| UPSS➣United Postal Stationery Society (est. 1945) |
| UPSS➣Underground Petroleum Storage System |
| UPSS➣Usual Principal and Subsidiary Status (Ministry of Labour; India) |
| UPSS➣Uninterrupted Power Supply System |
| UPSS➣Unisys Payment Services and Solutions (Netherlands) |