SEL may refer to:
- Signalling Equipment Ltd, a trading name used by the British toy manufacturer J & L Randall
- Finnish Food Workers' Union, a trade union in Finland
- Left Ecology Freedom (Sinistra Ecologia Libertà), Italian political party
- Single-event latchup
- Social and Emotional Learning, a pedagogy focusing on the study and application of Emotional intelligence (EI)
- Social Enterprise London
- Swedish Elite League, the English unofficial name of the former Elitserien ice hockey league
- Système d'Échange Local, a French Local Exchange Trading System
Art
- Sensory Ethnography Lab, a filmmaking and anthropology center at Harvard University
- Serial Experiments Lain, a 1998 anime series
- Shankar-Ehsaan-Loy, a trio of music composers from India
Language
- Self-learning of English Language
- SEL: Studies in English Literature, an academic journal
- Skolta Esperanto Ligo, an Esperanto Scouting association
Technology
- Schweitzer Engineering Laboratories, a worldwide power systems company
- Search Engine Land, a website covering search engine related news
- Standard Elektrik Lorenz, a German electronics firm
- Systems Engineering Laboratories, an early computer manufacturer specializing in realtime systems
- System Event Log, the name for a server system logger used by a variety of servers
Transportation
- Mercedes-Benz SEL, an automobile model
- The former IATA Airport code for Gimpo International Airport in Seoul, Korea (Currently GMP)
- Southern Evacuation Lifeline, a proposed limited-access highway in Horry County, South Carolina
See also
- Sel (disambiguation)