The Chichibu Railway 1000 series (秩父鉄道1000系) was an electric multiple unit (EMU) train type for local services operated by Chichibu Railway in Japan from 1986 until March 2014.

[1][2] Twelve three-car trains were converted in 1986 from former JNR 101 series commuter EMUs.

Conversion included the addition of a second pantograph on the DeHa 1000 cars and the inclusion of a luggage area at the cab ends separated by a curtain arrangement.

[3] The trains were modified for wanman driver only operation from December 1999.

[4] The DeHa 1000 car was fitted with two lozenge-type pantographs.