PS
- .ps
- Adobe Photoshop
- Chloropicrin
- Finns Party
- Laid (album)
- MPEG program stream
- MoMA PS1
- Movement of Socialists
- P.S. (A Toad Retrospective)
- P.S. (Doctor Who)
- P.S. (album)
- P.S. (film)
- P.S. I Love You (disambiguation)
- PS (TV series)
- PS Classics
- PS Magazine
- PS Power and Sample Size
- PS Publishing
- PSS (disambiguation)
- Pacific Southwest Airlines
- Paddle steamer
- Padma Shri
- Palau
- Panayiotopoulos syndrome
- Parametric Stereo
- Parti Socialiste (disambiguation)
- Partido Socialista (disambiguation)
- Partito Socialista (disambiguation)
- Pashto
- Pastor
- Persulfate
- Petasecond
- Pferdestärke
- Phosphatidylserine
- Phosphorothioate
- Picosecond
- Picosiemens
- Planning Service
- Plastic Surgery
- PlayStation
- PlayStation (console)
- PlayStation Magazine (disambiguation)
- Police sergeant
- Polizia di Stato
- Polystyrene
- Ponniyin Selvan (disambiguation)
- Popular Science
- Positive Slovenia
- PostScript
- Postscript
- Power Stage
- Power steering
- Power supply
- Pradeshiya Sabha
- Professional services
- Progeroid syndromes
- Progressive Slovakia
- Prompt corner
- Proto-Semitic language
- Proton Synchrotron
- Psalms
- Psi (Greek)
- Pulmonic stenosis
- Social Democratic Party (Andorra)
- Socialist Party (Netherlands)
- Socialist Party of Albania
- Socialist Party of Chile
- Socialist Party of Romania
- State of Palestine
- State school
- The Lemon of Pink
- Ukraine International Airlines
- Windows PowerShell
- Yalkin Tuychiev