5040

5040 may refer to:


 * 5040 (number), a number in the 5000s range
 * A.D. 5040, a year in the 6th millennium CE
 * 5040 BC, a year in the 6th millennium BC
 * 5040 Rabinowitz, an asteroid in the Asteroid Belt, the 5040th asteroid registered
 * Hawaii Route 5040, a state highway
 * SIG GL 5040, a 40 mm grenade launcher