| Seppa West | |
| State: | Arunachal Pradesh |
| Type: | SLA |
| Constituency No: | 11 |
| District: | West Kameng |
| Loksabha Cons: | Arunachal West |
| Established: | 1990 |
| Reservation: | ST |
| Mla: | Mama Natung |
| Party: | Bharatiya Janata Party |
| Latest Election Year: | 2024 |
Seppa West is one of the 60 constituencies of Legislative Assembly of Arunachal Pradesh. Name of current MLA (August-2016) of this constituency is Mama Natung. It is located in West Kameng district.[1]
| 1978 | Donglo Sonam | |
| 1980 | Nyari Welly | |
| 1984 |
| 1990 | Hari Natung | |
| 1995 | ||
| 2004 | Tani Loffa | |
| 2009 | ||
| Mama Natung | ||
| 2024 | ||