P.S. commonly refers to: Postscript, writing added after the main body of a letter PS, P.S., or ps may also refer to:
Arts, entertainment and media Literature PS Publishing, based in the UK PS Magazine, a U.S. Army magazine Popular Science, a U.S. magazine PlayStation Magazine (disambiguation)
Music PS Classics, a record label P.S. (album), a compilation album of film music by Goran Bregovic P.S. (A Toad Retrospective), a compilation album of music by Toad The Wet Sprocket "PS", 2003 song by The Books from the album The Lemon of Pink "P.S.", 1993 song by James from the album Laid
Stage and screen P.S. (film), a 2004 film P.S., a 2010 film by Yalkin Tuychiev PS (TV series), a German television series Prompt corner or prompt side, an area of a stage P.S. (Doctor Who), a mini episode of the seventh series of Doctor Who
Other media PlayStation, a video gaming brand owned by Sony PlayStation (console), a home video game console by Sony Ponniyin Selvan (disambiguation), Indian media franchise, abbreviated PS
Honors iPhrothiya yeSiliva, a South African military award Padma Shri, an Indian civilian award
Language Pashto language (ISO 639:ps) Proto-Semitic language, a hypothesized proto-language The sound of Greek letter psi (ψ)
Places Palau (FIPS PUB 10-4 territory code PS) State of Palestine (ISO 3166 country code PS) MoMA PS1, an art institution in New York
Politics PS – Political Science & Politics, academic journal Parti Socialiste (disambiguation), French Partido Socialista (disambiguation), Spanish and Portuguese Partito Socialista (disambiguation), Italian Polizia di Stato, Italian national police force Positive Slovenia Pradeshiya Sabha, a unit of local government in Sri Lanka Progressive Slovakia Progresívne Slovensko Social Democratic Party (Andorra) Partit Socialdemòcrata Socialist Party (Netherlands) Socialist Party of Albania Partia Socialiste Socialist Party of Chile Partido Socialista de Chile Socialist Party of Romania Partidul Socialist [din România] Finns Party Perussuomalaiset Movement of Socialists (Pokret socijalista), a political party in Serbia
Religion Pastors, ministers in some Christian churches Psalms, a book in the Tanakh and Christian Bibles
Science and technology Units of measurement Petasecond (Ps), 1015 seconds Picosecond (ps), 10−12 seconds Pferdestärke (PS), abbreviation of the German term for metric horsepower Picosiemens (pS), SI unit of electric conductance
Computing Adobe Photoshop, a graphics editor and creator by Adobe MPEG program stream, an MPEG-2 container format Parametric Stereo, feature used in digital audio PostScript, a page description language .ps, filename extension for a file in PostScript format PowerShell, a command line scripting and system management shell for Microsoft Windows ps (Unix), an application that displays statistics on running processes .ps, Palestinian Internet domain extension or top-level domain (ccTLD) PS Power and Sample Size, an interactive computer program for power and sample size calculations
Medicine Panayiotopoulos syndrome, a childhood seizure disorder Progeroid syndromes, a group of rare diseases causing premature aging Pulmonary stenosis or pulmonic stenosis, obstruction of the pulmonary artery of the heart
Physics and chemistry P or static pressure, in fluid mechanics and aviation Proton Synchrotron, a 1959 particle accelerator at CERN Chloropicrin, a highly toxic chemical compound Persulfate, a class of peroxide sulfate used as a powerful oxidizing agent Phosphatidylserine, a phospholipid Phosphorothioate (or thiophosphate), a family of compounds and anions with the general chemical formula PS4−xOx3− (x = 0, 1, 2, or 3) Polystyrene, a common type of plastic Ps, positronium, pseudo-chemical symbol
Transportation Paddle steamer, abbreviated PS in vessel prefixes Power Stage, a World Rally Championship special stage Power steering, a device that helps with steering vehicles Pacific Southwest Airlines (1949-1988), IATA designator of former airline Ukraine International Airlines, IATA airline designator since 1992 South Papua (vehicle registration prefix PS)
Other uses Planning Service, Department of the Environment (Northern Ireland) Plastic Surgery, abbreviated as P.S. for simple use Police sergeant Power supply Professional services, abbreviated P.S. in name suffixes State school or public school, in the US and other countries
See also P.S. I Love You (disambiguation) PSS (disambiguation)