| Acronym | Definition |
|---|
| OPS | Operations |
| OPS | Options (stock) |
| OPS | Omaha Public Schools |
| OPS | Ontario Public Service (Canada) |
| OPS | Organización Panamericana de la Salud (Pan American Health Organization) |
| OPS | OPSEC (Operations Security) Professionals Society |
| OPS | Office of Pipeline Safety (US DoT) |
| OPS | Office of Public Safety |
| OPS | Office of the Press Secretary (Philippines) |
| OPS | Oracle Parallel Server |
| OPS | Operations Squadron |
| OPS | Opetussuunnitelma (Finnish: curriculum) |
| OPS | On-Base Percentage + Slugging Percentage (baseball) |
| OPS | Operations Per Second |
| OPS | Optical Sensor |
| OPS | Ottawa Police Service (Ontario, Canada) |
| OPS | Office of Professional Standards |
| OPS | Operator Status (IRC) |
| OPS | Operator Services |
| OPS | Other Personal Services |
| OPS | Oil Pressure Switch |
| OPS | Open Profiling Standard |
| OPS | Oriented Polystyrene |
| OPS | Other Personnel Services |
| OPS | Optical Packet Switching |
| OPS | Division of Oil and Public Safety (Colorado) |
| OPS | Order Processing System (Sprint) |
| OPS | Orthogonal Polarization Spectral (microscopy) |
| OPS | Operationen- und Prozedurenschlüssel (German equivalent of the US Procedure Coding System) |
| OPS | Ophthalmic Photographers' Society |
| OPS | Objective Pain Scale |
| OPS | Ontario Public Sector |
| OPS | Optically Pumped Semiconductor |
| OPS | Optimized Print Services (Konica Minolta) |
| OPS | Office of Price Stabilization (US government) |
| OPS | Ontario Provincial Standards |
| OPS | Oxygen Purge System (space program) |
| OPS | Oferta Pública de Suscripción (de Acciones) (Spanish: Initial Public Offering) |
| OPS | Office of Personnel Security |
| OPS | Off-Premise Station |
| OPS | Options for Personal Security |
| OPS | Operations Shelter |
| OPS | Operational Cash Flow per Share (method for analyzing stocks) |
| OPS | Oxidized Porous Silicon (substrate) |
| OPS | Optical Position Sensor |
| OPS | Organic Photo Conductor |
| OPS | Osteoporosis-Pseudoglioma Syndrome |
| OPS | Operational Program Software (flight management) |
| OPS | Online Premium Services |
| OPS | Open Profiling System (W3C) |
| OPS | Overpressure Protection System |
| OPS | Outside Professional Services |
| OPS | Operational Project Stocks |
| OPS | OPTera Packet Solution (Nortel Networks) |
| OPS | Operations Process System (Bellcore) |
| OPS | Online Promotion System |
| OPS | Orbital Prosthetic Supplies (Crawley, West Sussex, UK) |
| OPS | Operating Subsystem |
| OPS | Organ Placement Specialist |
| OPS | Operator Position Subsystem |
| OPS | Optical Pulse Simulation |
| OPS | Operations Provisionable System (AT&T) |
| OPS | One-way Paging Service |
| OPS | Operations Productivity System |
| OPS | Office of Prosecution Services (Alabama) |
| OPS | Optional Pension Scheme (various organizations) |
| OPS | Outpatient Psychiatric Service |
| OPS | Optical Picture Stabilization (cameras) |
| OPS | Owensboro Public Schools (Owensboro, KY) |