S15

S15 may refer to:

Aircraft

• Sikorsky S-15, a protoype Russian biplane floatplane
• Spalinger S.15, a Swiss glider
• Stemme ASP S15, a German sailplane

Automobiles

• GMC Jimmy (S-15), a SUV
• Laffly S15, a family of French all-terrain military vehicles
• Nissan Silvia (S15), a sports car

Rail and transit

Lines

• S15 (ZVV), an S-Bahn line in Zürich, Switzerland
• Frauenfeld–Wil railway, an S-Bahn line in Switzerland
• S15 (Berlin), planned line on S21 rail project

Locomotives

• LSWR S15 class, a British steam locomotive

Stations

• Hataki Station, in Ōzu, Ehime Prefecture, Japan
• Ikawadani Station, in Nishi-ku, Kobe, Hyōgo Prefecture, Japan
• Ojima Station, in Kōtō, Tokyo, Japan
• Otaru Station, in Otaru, Hokkaido, Japan
• Sakuragawa Station (Osaka), in Naniwa-ku, Osaka, Japan
• Sakura-hommachi Station, in Minami-ku, Nagoya, Aichi, Japan

Science

• 40S ribosomal protein S15
• British NVC community S15, a swamps and tall-herb fens community in the British National Vegetation Classification system
• Explorer 11, a NASA satellite
• Ribosomal S15 leader
• S15: Keep away from heat, a safety phrase

Vessels

• Brazilian submarine Goias (S15)
• Brazilian submarine Riachuelo (S15)
• HMS Otter (S15), a submarine of the Royal Navy
• SMS S15 (1912), a torpedo boat of the Imperial German Navy
• USS S-15 (SS-120), a submarine of the United States Navy

Other uses

• S15 (classification), a disability swimming classification
• County Route S15 (California)