STD (disambiguation)

STD is a sexually transmitted disease.

STD or std may also refer to:

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

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

• 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)

• std. dev., std. deviation, σ, SD, or STD often refers to standard deviation, a measure of uncertainty or variation in data.
• std, 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

• 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

• Standard (disambiguation)