3140

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