3320 may refer to:

• A.D. 3320, a year in the 4th millennium CE
• 3320 BC, a year in the 4th millennium BCE
• 3320, a number in the 3000 (number) range

• 3320 Namba, an asteroid in the Asteroid Belt, the 3320th asteroid registered
• ALFA-PROJ Model 3320, a handgun
• Nokia 3320, a cellphone
• Texas Farm to Market Road 3320, a state highway

• All pages with titles beginning with 3320
• All pages with titles containing 3320