2K
- ...Baby One More Time Tour
- 2000
- 2000 (disambiguation)
- 2000 (number)
- 2K (band)
- 2K Australia
- 2K China
- 2K Czech
- 2K Games
- 2K Marin
- 2K Play
- 2K Sports
- 2K Sports Mixtape
- 2K resolution
- Chaparral Cars
- Irrational Games
- JPEG 2000
- K2 (disambiguation)
- KK (disambiguation)
- MLB 2K
- NBA 2K
- NBA 2K (video game)
- NFL 2K
- NFL 2K (video game)
- NHL 2K
- OS-tan
- Toyota K engine
- Two kingdoms doctrine
- WWE 2K
- Willennium
- Windows 2000