STN may refer to:
- STN, IATA code for London Stansted Airport, England
- STN, National Rail code for Stonehaven railway station, Scotland
- STN International (Scientific & Technical Information Network), an information service operated by Fachinformationszentrum Karlsruhe (FIZ Karlsruhe) and Chemical Abstracts Service (CAS)
- Satellite Telecommunications Network, a television and radio channel satellite distribution company (satellite up-link station) in the E.U.
- Score Television Network
- Subthalamic nucleus, a subcortical structure in the brain
- Super-twisted nematic display, a type of liquid crystal display
- stn = spend the night, a texting slang word
See also:
- Public switched telephone network (PSTN)