3390 may refer to:
A.D. 3390, a year in the 4th millennium CE 3390 BC, a year in the 4th millennium BCE 3390, a number in the 3000 (number) range
Other uses 3390 Demanet, an asteroid in the Asteroid Belt, the 3390th asteroid registered Nokia 3390, a cellphone IBM 3390, a hard disk drive unit Texas Farm to Market Road 3390, a state highway
See also
, a WWI U.S. Navy cargo ship