Saitama 12th district
| Saitama 12th District | |
|---|---|
| Parliamentary constituency for the Japanese House of Representatives  | |
Numbered map of Saitama Prefecture single-member districts  | |
| Prefecture | Saitama | 
| Proportional District | Northern Kanto | 
| Electorate | 370,686 (October 18, 2021)  | 
| Current constituency | |
| Created | 1994 | 
| Seats | One | 
| Party | CDP | 
| Representative | Toshikazu Morita | 
| Created from | Saitama 3rd "medium-sized" district Saitama 4th "medium-sized" district  | 
| Municipalities | Kumagaya city (Formerly Kumagaya City, Formerly Ōsato Town, Formerly Menuma Town), Gyōda City, Hanyū City, Kazo City, Kōnosu City (Formerly Kōnan Town) | 
Saitama 12th district (埼玉県第12区, Saitama-ken dai-ju-niku or simply 埼玉12区, Saitama-ken ju-niku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Saitama Prefecture.