Pair
- 2 (number)
- Au pair
- Bluetooth
- Couple (app)
- Couple (disambiguation)
- Coxless pair
- Even (disambiguation)
- One pair (poker)
- Ordered pair
- PAIR (puncture-aspiration-injection-reaspiration)
- Pair (cricket)
- Pair (parliamentary convention)
- Pair programming
- Pair type
- Pairie
- Pairing
- Pairing (computing)
- Pare people
- Parts pairing
- Patent Application Information Retrieval
- Pear
- Peer-Allocated Instant Response
- Prussian House of Lords
- Student's t-test
- Topological pair
- Twisted pair
- Unordered pair
- Wine pairing