1800 series

1800 series may refer to the following:


 * Keihan 1800 series electric multiple unit train type operated by Keihan Electric Railway
 * Keio 1800 series electric multiple unit train type operated by Keio Corporation
 * Meitetsu 1800 series electric multiple unit train type
 * Tobu 1800 series electric multiple unit train type
 * Toyohashi 1800 series electric multiple unit train type operated by Toyohashi Railroad