R33

R33 may refer to:

• INS Vikramaditya (R33), an active aircraft carrier of the Indian navy.
• R33, a British Airship
• R33 road (South Africa)
• R33 (New York City Subway car)
• R33 Skyline, an automobile by Nissan
• R33, the FAA identifier for Wakonda Beach State Airport in Waldport, Oregon
• R33: Danger of cumulative effects, a risk phrase
• Urinary retention ICD-10 code

R-33 may refer to :

• Vympel R-33 (missile), a Russian air-to-air missile