S13

S13 may refer to:

Aviation

 * Beriev S-13, an abandoned Soviet reconnaissance aircraft project
 * Fokker S-13, a German trainer
 * Letov Š-13, a Czechoslovakian fighter aircraft
 * SIAI S.13, an Italian reconnaissance biplane
 * Sikorsky S-13, a Russian aircraft design proposal
 * SPAD S.XIII, a French biplane fighter

Automobiles

 * Nissan Silvia (S13), a Japanese sports car
 * Nissan 240SX (S13), a sports car sold in North America

Lines

 * S13 (Rhine-Ruhr S-Bahn), Germany
 * S13 (ZVV), Zürich, Switzerland
 * Line S13 (Milan suburban railway service), Italy

Locomotives

 * Sri Lanka Railways S13, a diesel multiple unit

Stations

 * Iyo-Izushi Station, in Ōzu, Ehime Prefecture, Japan
 * Mizuho Undōjō Nishi Station, in Mizuho-ku, Nagoya, Aichi Prefecture, Japan
 * Otaru-Chikkō Station, in Otaru, Hokkaido, Japan
 * Sōgō Undō Kōen Station, in Suma-ku, Kobe, Hyōgo Prefecture, Japan
 * Sumiyoshi Station (Tokyo), in Kōtō, Tokyo, Japan

Roads

 * S13 highway (Georgia)
 * County Route S13 (California), United States

Science

 * 40S ribosomal protein S13
 * British NVC community S13, a swamps and tall-herb fens community in the British National Vegetation Classification system
 * S13: Keep away from food, drink and animal feedingstuffs, a safety phrase
 * S13, a star orbiting Sagittarius A*

Vessels

 * BRAZILIAN SUBMARINE Rio de Janeiro
 * HMCS Renard (S13), an armed yacht of the Royal Canadian Navy
 * HMS Osiris (S13), a submarine of the Royal Navy
 * SOVIET SUBMARINE S-13
 * USS S-13 (SS-118), a submarine of the United States Navy

Other uses

 * S13 (classification), a disability swimming classification
 * S-13 rocket, a Soviet air-to-ground rocket weapon
 * Shayetet 13, a unit of the Israel Defense Forces
 * S13, a postcode district in Sheffield, England