100 series

100 series may refer to:

Japanese train types

 * 100 Series Shinkansen, a Japanese Shinkansen high-speed train type
 * Choshi Electric Railway 100 series electric multiple unit
 * Keisei AE100 series electric multiple unit
 * KiHa 100 series diesel multiple unit
 * Meitetsu 100 series electric multiple unit
 * Tobu 100 series Spacia electric multiple unit

Other

 * 100-series highways (Nova Scotia), a series of arterial highways in the Canadian province of Nova Scotia
 * Lenovo IdeaPad 100, a discontinued brand of notebook computers
 * GeForce 100 series graphics proccesing units produced by Nvidia