9000 series

9000 series may refer to:

Japanese train types

 * Chiba New Town Railway 9000 series electric multiple unit train
 * Hankyu 9000 series electric multiple unit train
 * Hanshin 9000 series electric multiple unit train, operated by Hanshin Electric Railway
 * Keihan 9000 series electric multiple unit train
 * Keio 9000 series electric multiple unit train
 * Kintetsu 9000 series electric multiple unit train, operated by Kintetsu Railway
 * Kita-Osaka Kyuko 9000 series electric multiple unit train
 * Nankai 9000 series electric multiple unit train, operated by Nankai Electric Railway
 * Nishitetsu 9000 series electric multiple unit train
 * Odakyu 9000 series electric multiple unit train, operated by Odakyu Electric Railway
 * Sapporo Municipal Subway 9000 series electric multiple unit train
 * Seibu 9000 series electric multiple unit train
 * Sotetsu 9000 series electric multiple unit train
 * Tobu 9000 series electric multiple unit train
 * Toei 9000 series tramcar
 * Tokyo Metro 9000 series electric multiple unit train
 * Tokyu 9000 series electric multiple unit train, operated by Tokyu Corporation

Korean train types

 * Seoul Metro 9000 series

Latin American and Spanish train types

 * Barcelona Metro 9000 Series for the Barcelona, Santo Domingo, and Lima Metros

Computing

 * UNIVAC 9000 series