Chiba 5th District (千葉県第5区, Chiba-ken dai-go-ku) is an electoral district in the Japanese House of Representatives.

The district was established in 1994 after the introduction of single-member constituencies in that year.

Since its creation it has been redistricted twice: once in 2002 and again in 2022.

Arfiya Eri, a Liberal Democratic Party politician of Uyghur won a by-election on 17 April 2023.

[2] From its establishment in 1994 until its first redistricting in 2002, the areas covered by the district were as follows: ‡ - Also ran in the South Kanto PR block election