S28

S28 may refer to:

Aviation

• Blériot-SPAD S.28, a French long-distance biplane
• International Peace Garden Airport in Rolette County, North Dakota
• Letov Š-28, a Czechoslovak reconnaissance biplane
• Sikorsky S-28, a proposed French biplane bomber

Roads

• County Route S28 (California)
• New Jersey Route 18, partially designated S28 until 1953
• Northern Airport Expressway, China

Science

• 40S ribosomal protein S28
• British NVC community S28, a swamps and tall-herb fens community in the British National Vegetation Classification system
• S28: After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer), a safety phrase
• Sulfur-28, an isotope of sulfur

Other uses

• S28 (Rhine-Ruhr S-Bahn)
• HMS Vanguard (S28), a submarine of the Royal Navy
• Mena Station, in Rankoshi, Isoya District, Hokkaido, Japan
• SREC (file format), an ASCII encoding format for binary data
• USS S-28 (SS-133), a submarine of the United States Navy