5400

5400 or variation, may refer to:

In general

 * A.D. 5400, a year in the 6th millennium CE
 * 5400 BC, a year in the 6th millennium BCE
 * 5400, a number in the 5000 (number) range

Electronics and computing

 * Texas Instruments 5400 series ICs, a variant of the 7400-series integrated circuits
 * Intel Pro 5400s SSD
 * Intel 5400 chipset
 * Power Macintosh 5400 personal computer

Other uses

 * 5400 (1989 CM), an asteroid in the Asteroid Belt, the 5400th asteroid registered; see List_of_minor_planets:_5001–6000
 * 5400 (District of Skrapar), one of the postal codes in Albania
 * BS 5400 (British Standard 5400) in bridge construction
 * GWR 5400 Class, pannier steam locomotive train class
 * Red Flag 5400-class locomotive