Mariyahu Assembly constituency
| Mariyahu | |
|---|---|
| Constituency No. 370 for the Uttar Pradesh Legislative Assembly | |
| Constituency details | |
| Country | India | 
| Region | North India | 
| State | Uttar Pradesh | 
| District | Jaunpur | 
| Total electors | 3,37,483 | 
| Reservation | None | 
| Member of Legislative Assembly | |
| 18th Uttar Pradesh Legislative Assembly | |
| Incumbent   Dr. R. K. Patel   | |
| Party | Apna Dal (Sonelal) | 
| Elected year | 2022 | 
Mariyahu is a constituency of the Uttar Pradesh Legislative Assembly covering the city of Mariyahu in the Jaunpur district of Uttar Pradesh, India.
Mariyahu is one of five assembly constituencies in the Machhlishahr Lok Sabha constituency. Since 2008, this assembly constituency is numbered 370 amongst 403 constituencies.