| Jhajha Assembly constituency | |
| Type: | SLA |
| Mla: | Damodar Rawat |
| Party: | Janata Dal (United) |
| State: | Bihar |
| District: | Jamui |
| Loksabha Cons: | Jamui |
| Constituency No: | 242 |
| Established: | 1951 |
| Reservation: | None |
Jhajha Assembly constituency is an assembly constituency for Bihar Legislative Assembly in Jamui district of Bihar, India. It comes under Jamui (Lok Sabha constituency).[1] [2]
| 1952 | Chandrashekhar Singh | ||
| 1957 | Bhagwat Murmu | ||
| Chandrashekhar Singh | |||
| 1962 | Shri Krishna Singh | ||
| 1967 | Shiv Nandan Jha | ||
| 1969 | Chandrashekhar Singh | ||
| 1972 | Shiv Nandan Jha | ||
| 1977 | |||
| 1980 | Shiv Nandan Yadav | ||
| 1985 | |||
| 1986^ | Ravindra Yadav | ||
| 1990 | Shiv Nandan Jha | ||
| 1995 | Ravindra Yadav | ||
| 2000 | Damodar Rawat | ||
| 2005 | |||
| 2005 | |||
| 2010 | |||
| 2015 | Ravindra Yadav | ||
| 2020 | Damodar Rawat |