S64

S64 may refer to:

Aviation

 * Blériot-SPAD S.64, a French biplane trainer
 * Savoia-Marchetti S.64, an Italian endurance aircraft
 * Sikorsky S-64 Skycrane, later the Erickson S-64 Aircrane, an American helicopter
 * Stanford Airport, in Judith Basin County, Montana, United States

Other uses

 * S64 (Long Island bus)
 * Dharug language
 * S64: If swallowed, rinse mouth with water (only if the person is conscious), a safety phrase
 * SPANISH SUBMARINE Narval
 * S64, a postcode district for Mexborough, England