YP
YP is an abbreviation for:
- Yellow Pages for yellow pages
- yellow pages , the predecessor of the Network Information Service
- United States Navy classification symbol for Training Patrol Craft
- Yersinia pestis , a mutation in the plague disease
- Short for Yepp , a multimedia game series from Samsung
- the former airline Aero Lloyd according to the IATA airline code
- the former airline Ligne Aérienne Seychelles according to the ICAO code
- Young professional, young professionals with a university background
- a narrow-gauge railcar type of the Swedish State Railways SJ, SJ YP
- a group of letters used to identify boats in the Netherlands
YP as a distinguishing mark on license plates:
- Greece: Attica
- UK: Sheffield
- Norway: Narvik in the province of Nordland
- Slovakia: trailer (second group of letters)