5100

5100 may refer to:

Time

 * A.D. 5100, a year in the 6th millennium CE
 * 5100 BC, a year in the 6th millennium BCE

Products

 * Atari 5100, a home videogame console
 * GWR 5100 Class, a class of side tank steam locomotive
 * Hankyu 5100 series, an electric multiple unit train class
 * IBM 5100 (IBM Portable Computer), one of the first portable computers
 * Jabiru 5100, an aircraft engine
 * JGR Class 5100, a class of steam locomotive
 * Nokia 5100, a GSM cellphone

Other uses

 * 5100 Pasachoff, an asteroid in the Asteroid Belt, the 5100th asteroid registered
 * 5100, a number in the 5000 (number) range