SYT may refer to:

Synaptotagmin, a family of membrane-trafficking proteins that are characterized by an N-terminal transmembrane region SYT, the Bangladesh Railway station code for Sylhet railway station, Bangladesh SYT, the China Railway telegraph code for Shenyang railway station, Liaoning, China SYT, the IATA airport code for Saint-Yan Airport, France SYT, the National Rail station code for Somerleyton railway station, East Suffolk, England SYT, alias for SS18, a member of the human SWI/SNF chromatin remodelling complex

See also SYT-510