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 The Sikorsky S-64 Skycrane is an American twin-engine heavy-lift helicopter. It is the civil version of the United States Army's CH-54 Tarhe. It is currently produced as the S-64 Aircrane by Erickson Inc. Development Under Sikorsky ...

, later the Erickson S-64 Aircrane, an American helicopter *

Stanford Airport Stanford Airport (Biggerstaff Field) is a county-owned, public-use airport located one nautical mile (2 km) south of the central business district of Stanford, Judith Basin County, Montana. It is included in the National Plan of Integr ...

, in Judith Basin County, Montana, United States

Other uses

S64 (Long Island bus) Suffolk County Transit operates a number of bus routes in Suffolk County, New York, United States; a few in the town of Huntington are operated by Huntington Area Rapid Transit. The Villages of Patchogue and Port Jefferson, also have had their ...

* Dharug language * S64: If swallowed, rinse mouth with water (only if the person is conscious), a safety phrase * * S64, a postcode district for Mexborough, England {{Letter-NumberCombDisambig