2K

2K or 2-K may refer to:

Numerical

 * 2000 (number)
 * 2000, a year

Video and images

 * 2K resolution, a digital film resolution, display resolution, of 2048 horizontal pixels of data
 * JPEG 2K, see JPEG 2000

Music

 * 2K (band), also known as The KLF
 * 2K Sports Mixtape (2006), hosted By Clinton Sparks; produced by Dan the Automator
 * Crazy 2K Tour, see ...Baby One More Time Tour by Britney Spears
 * Will 2K, see Willennium, Will Smith's second solo studio album

Video game publishers

 * 2K Games
 * 2K Sports
 * 2K Play
 * 2K Australia
 * 2K China
 * 2K Czech
 * 2K Marin
 * Irrational Games (interimly known as 2K Boston)

Video games

 * NBA 2K (video game)
 * NFL 2K (video game)
 * MLB 2K
 * NBA 2K
 * NHL 2K
 * NFL 2K
 * WWE 2K

Other

 * 2K-tan, see OS-tan, Japanese Internet meme
 * Chaparral 2K, see Chaparral Cars was a United States automobile racing team which built race cars from 1963 through 1970.
 * MSW 2K, see Windows 2000
 * 2K, a model of Toyota K engine
 * Two kingdoms doctrine, theological concept of separate domains for earthly and spiritual power