The Odakyu 1000 series (小田急1000形, Odakyū 1000-gata) is an electric multiple unit (EMU) commuter train type operated by the private railway operator Odakyu Electric Railway in the Tokyo area of Japan.

[4] As of 1 April 2017[update], the fleet consists of 196 vehicles, formed as 4-, 6-, 8-, and 10-car sets, with car 1 at the western end.

[5] Sets 1058 to 1061 are finished in a red Hakone Tozan Railway livery, and are normally limited to services between Shin-Matsuda and Hakone-Yumoto.

[6] From 2007, the train type was displaced from Tokyo Metro Chiyoda Line services by new 4000 series 10-car sets.

[8] The interiors were completely refurbished with LED lighting, LCD passenger information displays above the doorways, and new moquette seat covers.