S26 may refer to:
Aviation Blériot-SPAD S.26, a French racing seaplane Philippine Air Lines Flight S26, which crashed in 1969 Short S.26, a British flying boat transport Sikorsky S-26, a Russian biplane bomber
Rail and transit S26 (Berlin), a line of the Berlin S-Bahn, Germany S26 (St. Gallen S-Bahn), an S-Bahn service operating over the Rheineck–Walzenhausen mountain railway line, Switzerland S26 (ZVV), a Zurich S-Bahn service operating over the Tösstal Railway line, Switzerland S26, an Aargau S-Bahn line, Switzerland Konbu Station, in Rankoshi, Isoya District, Hokkaido, Japan
Roads Shanghai–Changzhou Expressway, China County Route S26 (California), United States U.S. Route 1 in New Jersey, partially numbered S26 until 1953
Submarines , of the Royal Navy , of the Indian Navy , of the United States Navy
Other uses 40S ribosomal protein S26 British NVC community S26, a swamps and tall-herb fens community in the British National Vegetation Classification system Djabwurrung language S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice, a safety phrase S26, a postcode district in Sheffield, England Samsung Galaxy S26, a smartphone model by Samsung