Tokyo 23rd Ward (東京都第23区, Tokyo dai-ni-jusan-ku) is an electoral district in the Japanese House of Representatives.

The district was established in 1994 at the introduction of the single member constituency system.

As of 12 January 2023, the areas that are covered by this district are as follows:[2] As part of the 2022 reapportionments, the remaining sections of Tama were given to the new 30th district.

As a result of this the 23rd district became the only district in Western Tokyo to be composed of a single municipality.

Between the first redistricting in 2017 and the second redistricting in 2022, the areas covered by this district were as follows:[3][4] As part of the 2017 redistricting, part of Tama was transferred to the 21st district.