The 1000 series (1000形) is a single-car diesel multiple unit (DMU) train type operated on local regional services by Shikoku Railway Company (JR Shikoku) in Japan since 1990.

[1] The 1000 series trains are used on the following JR Shikoku lines.

[2] A total of 56 1000 series cars were built by Niigata Transys between 1990 and 1997, delivered in four batches as shown below.

[3] Passenger accommodation consists of a mixture of longitudinal bench seating on one side and transverse seating bays on the opposite side.

[3] Toilets have been retro-fitted to a number of cars since February 2001.