Bonchari Constituency
Bonchari is an electoral constituency in Kisii County. It is one of nine constituencies in the county. The constituency was established for the 1988 elections.
It has four wards namely;
Riana, Bomorenda, Bomariba and Bogiakumu.
Members of Parliament
| Elections | Member of Parliament | Party | Notes |
| 1988 | Protas Kebati Momanyi | KANU | One-party system. |
| 1992 | Protas Kebati Momanyi | KANU | |
| 1997 | Zebedeo John Opore | KANU | |
| 2002 | Zebedeo John Opore | Ford-People | |
| 2007 | Charles Onyancha | ODM | |
| 2013 | Zebedeo John Opore | Ford-people | |
| 2017 | John Oroo Oyioka | ODM | Died in 2021 |
| 2021 | Pavel Oimeke | ODM | By-election |
| 2022 | Charles Onchoke | UPA |