2000 was a century leap year starting on Saturday of the Gregorian calendar.
2000 may also refer to:
- Year 2000 problem
- 2000 (number)
- Video 2000, a consumer videocassette system and analogue recording standard
- Lever 2000, a soap brand owned by Unilever
- 2000 CR105, the tenth most distant known object in the solar system
- a postal code in Antwerp, Belgium
- 2000, the postcode of Sydney central business district, Australia
- Windows 2000, operating system
- Microsoft Office 2000, a version of Microsoft Office
- X 2000, high-speed trains in Sweden
- Quasar 2000, a Czech hang glider design