S Train

S Train may refer to:

• S-train, an urban rapid transit network in Copenhagen
• S (New York City Subway service), one of three subway services of the New York City Subway:
  • Franklin Avenue Shuttle
  • 42nd Street Shuttle (also called the Grand Central/Times Square Shuttle) (internally referred to as the 0)
  • Rockaway Park Shuttle (also called Rockaway Shuttle) (internally referred to as the H)
• S Castro Shuttle in San Francisco
• S-Bahn, metropolitan railway systems in Austria, Germany, or Switzerland
• S Line, a streetcar running between Salt Lake City and South Salt Lake in Utah, United States that is operated by the Utah Transit Authority
• S-Train (Korail), a South Korean sightseeing train