The Chichibu Railway 500 series (秩父鉄道500系) was an electric multiple unit (EMU) train type for local services on the Chichibu Main Line operated by the Chichibu Railway in Japan between 1962 and 1992.

[1] The trains were formed as follows.

[1] While based on the earlier 300 series express design, these sets had longitudinal seating.

The KuHa 600 cars were originally fitted with a toilet, but these were later removed.

[1] The trains were replaced by 2000 series EMUs from 1991 and withdrawn by 1992.