Sim or SIM may refer to:

Computing and technology

*SIM card or Subscriber Identity Module, used by mobile telephones *HP Systems Insight Manager, a system management tool * Scientific instrument module in the Apollo command and service module#Service module (SM), Apollo command and service module *Security information management in computer security *Selected ion monitoring, a mass spectrometry scanning mode *Computer simulation *Space Interferometry Mission, cancelled by NASA *

Organizations

*''Service de sécurité incendie de Montréal'' *Scuola Italiana di Montevideo, the Italian day school of Montevideo, Uruguay *Serving In Mission (formerly Sudan Interior Mission), a Christian mission organization *''Servicio de Inteligencia Militar'', a former Dominican intelligence service *''Servicio de investigación Militar'', a former Spanish military intelligence service *''Servizio Informazioni Militari'', a former Italian military intelligence service *Singapore Institute of Management *Society for Industrial Microbiology and Biotechnology *Society for Information Management

People

*Sim (Korean surname) 심 *Sim (Scottish surname) *Shěn (surname) 沈, a Chinese surname sometimes romanized as Sim *Sim Wong Hoo (1955–2023), founder of Creative Technology *Desmond Sim (born 1961), Singaporean playwright *Kihwan Sim (born 1983), South Korean bass-baritone *Sim (actor) (1926–2009), French actor, humourist, writer and comedian *Thomas Robertson Sim (1858–1938), Scottish botanist

Places

*Sım, a village and municipality in Azerbaijan *Sim (river), in Russia *Sim, Russia, several inhabited localities

Pop culture

*Sim (album), ''Sim'' (album), 2017, by Vanessa da Mata *SiM (band), a Japanese rock band *SIM (film), ''SIM'' (film), 2013 *Sim (pencil game)

Transport

* Simei MRT station, Singapore, MRT station abbreviation * Simi Valley station, California, Amtrak station code

Other uses

*Siberian International Marathon *, the driving license in Indonesia