33 Squadron

33 Squadron or 33rd Squadron may refer to:


 * No. 33 Squadron RAAF, a unit of the Australian Royal Air Force
 * No. 33 Squadron (Finland), a unit of the Finnish Air Force
 * No. 33 Squadron RAF, a unit of the United Kingdom Royal Air Force
 * 33d Flying Training Squadron (United States), a unit of the United States Air Force
 * 33 Squadron (Portugal), a unit of the Portuguese Air Force
 * VF-33 (Fighter Squadron 33), a disestablished unit of the United States Navy