S37

S37 may refer to:

Aviation

 * Blériot-SPAD S.37, a French biplane airliner
 * Sikorsky S-37, an American sesquiplane
 * Smoketown Airport, in Lancaster County, Pennsylvania, United States
 * Sukhoi S-37, an experimental Russian jet fighter

Other uses

 * County Route S37 (Bergen County, New Jersey)
 * S37: Wear suitable gloves, a safety phrase
 * SREC (file format), an ASCII encoding format for binary data
 * Sulfur-37, an isotope of sulfur
 * Taungurung language
 * USS S-37 (SS-142), a submarine of the United States Navy