The Tokyo Metro 18000 series (東京メトロ18000系, Tōkyō Metoro 18000-kei) is an electric multiple unit (EMU) train type operated Tokyo Metro on the Hanzomon Line in Japan.

Introduced into service on 7 August 2021, a total of 19 ten-car trainsets are being manufactured by Hitachi Rail from 2020 to replace the aging Tokyo Metro 8000 series currently in service on the Hanzomon Line.

[5] The 18000 series fleet is formed as follows: Passenger accommodation consists of longitudinal bench seating throughout.

[5] In March 2019, Tokyo Metro announced a plan to introduce new rolling stock, including the 18000 series.

[2] On 20 October 2021, the train type received the Good Design Award.