Kisii County has nine constituencies: Bonchari, South Mugirango, Bomachoge Borabu, Bobasi, Bomachoge Chache, Nyaribari Masaba, Nyaribari Chache, Kitutu Chache North, and Kitutu Chache South. Governor Simba Arati is the head of the county.
Below is a list of MPs in Kisii County.
List Of MPs In Kisii County
| Constituency | MP | Party |
| Bonchari | Onchoke Charles Mamwacha | UPA |
| South Mugirango | Silvanus Osoro Onyiego | UDA |
| Bomachoge Borabu | Nolfason Obadiah Barongo | ODM |
| Bobasi | Innocent Obiri Momanyi | Wiper |
| Bomachoge Chache | Miruka Ondieki Alfah | UDA |
| Nyaribari Masaba | Daniel Ogwoka Manduku | ODM |
| Nyaribari Chache | Zaheer Jhanda | UDA |
| Kitutu Chache North | Nyakundi Japheth Mokaya | UDA |
| Kitutu Chache South | Antoney Kibagendi | ODM |