3450 may refer to:
A.D. 3450, a year in the 4th millennium CE 3450 BC, a year in the 4th millennium BCE 3450, a number in the 3000 (number) range
Other uses 3450 Dommanget, an asteroid in the Asteroid Belt, the 3450th asteroid registered Santa Fe class 3450, a class of steam locomotive Texas Farm to Market Road 3450, a state highway
See also