POS

POS, Pos or PoS may refer to:

Business

• Point of sale, location where payment is accepted

Health and medicine

• Point of service plan, a type of managed care health insurance plan in the United States
• Polycystic ovary syndrome, a disease of the ovaries

Linguistics

• Part of speech, the role that a word or phrase plays in a sentence
• Sayula Popoluca (ISO 639-3), an indigenous language spoken in Veracruz, Mexico
• Poverty of the stimulus, a linguistic term used in language acquisition and development

Music

• P.O.S (born 1981), or Stefon Alexander, American hip hop artist
• Pain of Salvation, Swedish progressive metal band
• Posdnuos (born 1969), or Kelvin Mercer, New York hip-hop artist

Places

• Port of Spain, Republic of Trinidad and Tobago

Technology

Software

• P/OS, operating system of DEC Professional PCs from Digital Equipment Corporation
• Packet over SONET/SDH, a communications protocol for transferring packets over fiber networks
• PERQ Operating System, operating system for PERQ workstations

Transportation

• Piarco International Airport in Trinidad and Tobago (IATA airport code)
• Pomona (Amtrak station), California, United States; Amtrak station code POS
• Post Office Sorting Van, a type of rail vehicle used in a Travelling Post Office train
• SNCF TGV POS, a French high-speed train

Other uses

• Phi Omega Sigma (disambiguation), a Greek name for 5 different student organizations
• Polytechnische Oberschule (POS), or Polytechnic Secondary School, the 10-year general educational system in East Germany
• Priory of Sion, a fictitious secret society
• Product of Sums, a canonical form in boolean algebra
• Public open space, a planning term for an outdoor public forum