J33 may refer to:
*
Allison J33, a turbojet engine
*
de Havilland J 33 Venom, a British fighter in service with the Swedish Air Force
*
Ground Equipment Facility J-33, a former radar station in California
*
LNER Class J33, a British steam locomotive class
*
Malaysia Federal Route J33
*
Nasal polyp
Nasal is an adjective referring to the nose, part of human or animal anatomy. It may also be shorthand for the following uses in combination:
* With reference to the human nose:
** Nasal administration, a method of pharmaceutical drug delivery ...
*
Pentagonal gyrocupolarotunda, a Johnson solid (J
33)
*
Small nucleolar RNA J33
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