{{pp|small=yes}} '''9000''' may refer to:
* 9000 (number) * The last year of the 9th millennium, an exceptional common year starting on Wednesday
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== Business == * ISO 9000, a family of standards for quality management systems * TL 9000, a quality management system
== Entertainment == * BFG 9000, a fictional weapon * HAL 9000, a fictional computer
== Technology == * IBM ES/9000, a mainframe computer * IBM System 9000, a family of microcomputers * HP 9000, a family of workstation and server computers * VAX 9000, a mainframe computer * Nokia 9000 Communicator, a smart phone introduced in 1996 * ATI Radeon 9000, a computer graphics card series
== Transport == * 9000 series (disambiguation), Japanese, Korean, Latin America and Spanish train types * Saab 9000, an executive car
== Other == * 9000 Hal, an asteroid * It's Over 9000!, an internet meme
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