- Source: S47
S47 may refer to:
S47 (Berlin), a line of the Berlin S-Bahn
S47 (Long Island bus)
INS Shankul (S47), a submarine of the Indian Navy
S47: Keep at temperature not exceeding ... °C (to be specified by the manufacturer), a safety phrase
SABCA S.47, a Belgian fighter-bomber
Sulfur-47, an isotope of sulfur
USS S-47 (SS-158), a submarine of the United States Navy