| Tokyo 4th District | |
| Type: | Parliamentary |
| Constituency Link: | Tokyo 4th district |
| Parl Name: | Japanese House of Representatives |
| Map Size: | 450px |
| District Label: | Prefecture |
| District: | Tokyo |
| Region Label: | Proportional District |
| Region: | Tokyo |
| Electorate: | 425,428 (2022) |
| Blank1 Name: | Tokyo special Wards |
| Blank1 Info: | Much of Ōta |
| Towns: | Kamata, Ōmori, Haneda |
| Year: | 1994 |
| Members Label: | Representative |
| Members: | Masaaki Taira |
| Party Label: | Party |
| Party: | LDP |
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.[1]
| Party | Dates | Notes | ||||
|---|---|---|---|---|---|---|
| Shoukei Arai | Independent | 1996–1998 | Redistricted from the former 2nd district.Died in office.[2] | |||
| Kensaku Morita | bgcolor= | 1998–2000 | ||||
| bgcolor= | Independent | 2000 | Re-elected in 2000. | |||
| bgcolor= | 2000–2003 | Did not run for re-election. | ||||
| Kazuyoshi Nakanishi | LDP | 2003–2005 | Resigned mid-term.[3] | |||
| Masaaki Taira | LDP | 2005–2009 | Re-elected in the Tokyo PR block. | |||
| Fujita Norihiko | bgcolor= | DPJ | 2009–2012 | Lost re-election. | ||
| Masaaki Taira | bgcolor= | LDP | 2012– present | Re-elected in 2014, 2017, 2021. |