STD is a sexually transmitted disease.

STD or std may also refer to:

Businesses and organizations

  • STD of RSFSR, a Russian actors' trade union
  • STD Motors, an early English car manufacturer

Finance

  • São Tomé and Príncipe dobra, a currency (by ISO 4217 code)
  • Short term disability, a disability insurance term

Places

  • Mayor Buenaventura Vivas Airport, Santo Domingo, Venezuela (by IATA code)
  • Strathclyde, former administrative area of Scotland (by genealogical Chapman code)
  • Stroud railway station, Gloucestershire, England (by GBR station code)

Science and technology

  • std. dev., std. deviation, σ, SD, or STD often refers to standard deviation, a measure of uncertainty or variation in data.
  • <code>std</code>, a common abbreviation for the standard library in many programming languages, or the standard library namespace
  • the C++ Standard Library namespace
  • the D standard library namespace
  • the Rust standard library namespace
  • STD Bus, a computer bus
  • Internet Standards (such as STD 68)
  • Subscriber trunk dialling for long-distance telephony

Other uses

  • Doctor of Sacred Theology (Sacrae Theologiae Doctor), a Catholic academic degree
  • Star Trek: Discovery, a U.S. science-fiction TV series
  • S.T.D (Shelters to Deltas), a 2016 mixtape by Cupcakke
  • Sentinelese language, an ISO 639-3 code

See also

  • Standard (disambiguation)