oubliette fr. - palimpsest
- P.R.O.
- P.S. post scriptum
- P.S.T. Pacific Standard Time
- P.T. physical training
- P.T.A. Parent-Teacher Association
- P.T.O. please turn over
- P/N promissory note
- PA
- pa
- PA system public address system
- Pa. Pennsylvania
- pabulary
- pabulum
- PABX Private Automatic Branch eXchange
- PAC Political Action Committee
- Pac. Pacific
- pace
- pace about /
- pace along / -.
- pace around /