| Acronym | Definition |
|---|
| PMX | Pacific Media Expo |
| PMX | Precious Metals Exchange |
| PMX | Premix |
| PMX | Partially Mapped Crossover (genetic algorithms, Computer science) |
| PMX | Packet Multiplexer |
| PMX | Preprocessor for MusiXTeX (music software) |
| PMX | Purchasing Management Extra (Louisville, KY) |
| PMX | Parsmedix Ltd. (UK) |
| PMX | PureMessage for Unix (Sophos PLC) |
| PMX | Pulsar Multiplex |
| PMX | Presentation Manager for the X Window System |
| PMX | Palmer, Massachusetts (Airport Code) |
| PMX | Profit Maximization (economics) |
| PMX | Paired Mesoderm Homeobox |
| PMX | Past Medical History |
| PMX | Private Message Exchange |
| PMX | Pharmacometrics |
| PMX | Personal Message Exchange |
| PMX | Physical Modeling Extension (Daisy Systems) |