The 683 series (683系, 683-kei) is a dual-voltage electric multiple unit (EMU) train type operated by West Japan Railway Company (JR-West) on limited express services in Japan since 2001.

[5] The move was made after the opening of the Hokuriku Shinkansen and the associated discontinuation of service by these sets on the Hokuhoku Line.

At the opening of the Hokuriku Shinkansen in March 2015, the sets were transferred to JR West.

All of the 683 series trainsets used on Thunderbird limited express services are scheduled to undergo a programme of refurbishment from autumn 2015 until the end of fiscal 2018.

[9] From 2015, 85 former Shirasagi 683 series vehicles were converted and reformed to become DC-only 289 series EMUs, formed as three-car, four-car, and six-car sets for use on Hashidate, Kinosaki, Kounotori, and Kurioshio limited express services in the Kyoto and Osaka area.