S33 may refer to:
Aviation
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Blériot-SPAD S.33, a French airliner
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Letov Š-33, a Czechoslovak bomber
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Madras Municipal Airport
Madras Municipal Airport , formerly City-County Airport, is a public use airport located three nautical miles (6 km) northwest of the central business district of Madras, a city in Jefferson County, Oregon, United States. According to the ...
, in Jefferson County, Oregon, United States
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Short S.33, a British flying boat
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Sikorsky S-33 Messenger
The Sikorsky S-33 Messenger was an American two-seat sesqiuplane designed and built by the Sikorsky Manufacturing Corporation in 1925.
The first of two examples built participated in the Sixth Pulitzer Trophy Race at Mitchel Field, Long Island, ...
, an American sesquiplane
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Spectrum S-33 Independence
The Spectrum S-33 Independence is a very light jet designed and built by Spectrum Aeronautical using a carbon fiber construction process that makes the airplane weigh about two thirds as much as a comparably sized aluminum-frame airplane.
The ai ...
, an American business jet
Naval vessels
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* , a torpedo boat of the Imperial German Navy
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* , a submarine of the United States Navy
Other uses
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S33 (Long Island bus)
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S33 (ZVV), a line of the Zürich S-Bahn
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County Route S33 (Bergen County, New Jersey)
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S33: Take precautionary measures against static discharges, a safety phrase
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Section 33 of the ''Canadian Charter of Rights and Freedoms''
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Sotho language
Sotho () or Sesotho () or Southern Sotho is a Southern Bantu language of the Sotho–Tswana ("S.30") group, spoken primarily by the Basotho in Lesotho, where it is the national and official language; South Africa (particularly the Free Sta ...
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Sulfur-33, an isotope of sulfur
* S33, a
postcode district in the Hope Valley, Derbyshire, England
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