| Acronym | Definition |
|---|
| LPSA | Local Public Service Agreement |
| LPSA | Ladies Professional Shogi-Players' Association of Japan (board game) |
| LPSA | Littlest Pet Shop Amino (app) |
| LPSA | Layered Pressure Swing Adsorption (chemical process) |
| LPSA | London Plastic Surgery Associates (UK) |
| LPSA | Linear Physical Systems Analysis (Swarthmore College; Swarthmore, PA) |
| LPSA | Liechtenstein Pen Spinning Association (juggling) |
| LPSA | Livingston Parish Soccer Association (Louisiana) |
| LPSA | Local Peace and Security Assembly (Philippines) |
| LPSA | Liberal Party of South Africa (est. 1953) |
| LPSA | Loss Prevention Safety Analysis |
| LPSA | Logistics Program Support Activity |
| LPSA | Log-Periodic Slot Antenna |