| Miyagi 1st District | |
| Nativename: | 宮城県第1区 |
| Type: | Parliamentary |
| Constituency Link: | Miyagi 1st district |
| Parl Name: | Japanese House of Representatives |
| District Label: | Prefecture |
| District: | Miyagi |
| Region Label: | Proportional District |
| Region: | Tohoku |
| Electorate: | 439,697[1] |
| Year: | 1994 |
| Elects Howmany: | One |
| Seats: | One |
| Party Label: | Party |
| Party: | LDP |
| Members Label: | Representative |
| Members: | Toru Doi |
is a single-member constituency of the House of Representatives, the lower house of the National Diet of Japan. It is located on the island of Honshu,[2] in Miyagi Prefecture. It, along with Miyagi 2nd district and parts of districts 3 and 4, cover the city of Sendai and the surrounding suburbs.
As of 2020, the district was home to 437,128 constituents.[3]
The district is represented by Toru Doi of the Liberal Democratic Party.[4]
After rezoning in 2022, the district covers the following areas:
As a result of the rezoning, the district has returned to the state it was in before 2017.
From 2017 to 2022, the district covered the following areas:
As a result of the 2017 rezoning, the area of the former town of Akiu was moved into the 3rd district.
From its creation in 1994 until redistricting in 2017, the district covered the following areas:
| Kazuo Aichi | bgcolor= | NFP | 1996-2000 | |||
| Azuma Konno | bgcolor= | DPJ | 2000-2005 | |||
| Tōru Doi | bgcolor= | LDP | 2005-2009 | |||
| Kazuko Kōri | bgcolor= | DPJ | 2009-2012 | |||
| Tōru Doi | bgcolor= | LDP | 2012- | Incumbent |
‡ - Also ran in the Tohoku proportional representation block
‡‡ - Ran and won a seat in the Tohoku proportional representation block