| Acronym | Definition |
|---|
| PQS | Personnel Qualification Standard(s) |
| PQS | Pseudomonas Quinolone Signal (pathogen) |
| PQS | Project Quantity Surveyor (construction Industry) |
| PQS | Professional Quantity Surveyor (construction; various organizations) |
| PQS | Pennzoil-Quaker State (Company) |
| PQS | Product Quality Standard |
| PQS | Professional Quality Services (various companies) |
| PQS | Project Quality System (data tracking software) |
| PQS | Process Query System (software) |
| PQS | Parallel Query Server (IBM) |
| PQS | Power Quality Survey (various companies) |
| PQS | Protein Quaternary Structure |
| PQS | Potential Quadruplex-Forming Sequence (DNA) |
| PQS | Price Quotation System |
| PQS | Performance Qualification System (USCG) |
| PQS | Pure Quality Start (sports rating system) |
| PQS | Predicate Query System |
| PQS | Procedural Quadtree Sphere (computer graphics) |