Tokyo 4th district

Tokyo 4th district (東京都第4区 Tōkyō-to dai 4-ku) is a single-member constituency of the House of Representatives, the lower house of the national Diet of Japan. It is located in Southeast Tokyo and consists much of Ōta Ward (Kamata, Ōmori, Haneda.) The seat is held by Masaaki Taira, a member of the Liberal Democratic Party since 2012.

As of September 2022, 425,428 voters were registered in the district.