6000 series may refer to:
Computers CDC 6000 series mainframe computer manufactured by Control Data Corporation Honeywell 6000 series mainframe computer manufactured by Honeywell PC-6000 series of consumer-grade personal computers manufactured by NEC Radeon HD 6000 series graphics processing units produced by AMD Radeon RX 6000 series graphics processing units produced by AMD
Japanese train types Chichibu Railway 6000 series Fujikyu 6000 series Hankyu 6000 series JR Shikoku 6000 series Keihan 6000 series, operated by Keihan Electric Railway Keio 6000 series Kintetsu 6000 series, operated by Kintetsu Railway Kumamoto Electric Railway 6000 series, formerly operated by Toei Transportation Kobe Municipal Subway 6000 series Meitetsu 6000 series Nagoya Municipal Subway 6000 series Nankai 6000 series, operated by Nankai Electric Railway Nishitetsu 6000 series, operated by Nishi-Nippon Railroad Sanyo 6000 series Sapporo Municipal Subway 6000 series Seibu 6000 series Shintetsu 6000 series Sotetsu 6000 series Tobu 6000 series, operated by Tobu Railway Toei 6000 series Tokyo Metro 6000 series Tokyu 6000 series
Other train types 6000 series (Chicago "L") Seoul Metro 6000 series