Smy

SMY or smy may refer to:

People

 * Jimmy Smy (1907–1997), English football player

Places

 * SMY, the IATA code of Simenti Airport, Senegal
 * St Mary Cray railway station, London, National Rail station code

Other

 * smy, the ISO 639 code of Semnani language
 * SmY RNA, found in some nematode worms