S79

S79 may refer to:
 * County Route S79 (Bergen County, New Jersey)
 * Expressway S79 (Poland)
 * Green Sea Airport in Horry County, South Carolina, United States
 * INS Dolphin (S79), a submarine of the Israeli Navy
 * S79 Select Bus Service (New York City bus) serving Staten Island
 * Savoia-Marchetti S.79, an Italian bomber