2400 series

2400 series may refer to:

Train types

 * CTA 2400 series electric multiple unit formerly operating for the Chicago Transit Authority
 * Keihan 2400 series electric multiple unit operating for Keihan Electric Railway
 * Kintetsu 2400 series electric multiple unit operating for Kintetsu Railway since 1966
 * Odakyu 2400 series electric multiple unit formerly operating for Odakyu Electric Railway from 1960-1989