3140 may refer to:
A.D. 3140, a year in the 4th millennium CE 3140 BC, a year in the 4th millennium BCE 3140, a number in the 3000 (number) range
Other uses 3140 Stellafane, an asteroid in the Asteroid Belt, the 3140th asteroid registered Hawaii Route 3140, a state highway Louisiana Highway 3140, a state highway Texas Farm to Market Road 3140, a state highway
See also