Kisii County has 9 constituencies namely; Bonchari, South Mugirango, Nyaribari Chache and Nyaribari Masaba.
Others include Bomachoge Borabu, Bomachoge Chache, Kitutu Chache North, Kitutu Chache South and Bobasi.
UDA has a commanding lead in the number of elected members of Parliament in this county. Out of the nine constituencies, UDA has four members of parliament while ODM comes second with three members of Parliament.
Here is list of members of Parliament in Kisii county in Kisii county 2022 to 2027
| 045 | Kisii | 261 | Bonchari | Mamwacha | Onchoke Charles | United Progressive Alliance | UPA | 13,849 |
| 045 | Kisii | 262 | South
Mugirango |
Onyiego | Â Silvanus Osoro | United Democratic Alliance | UDA | 25,152 |
| 045 | Kisii | 263 | Bomachoge Borabu | Barongo | Nolfason Obadiah | Orange Democratic Movement | ODM | 15,587 |
| 045 | Kisii | 264 | Bobasi | Momanyi | Innocent Obiri | Wiper Democratic Movement | WDM | 20957 |
| 045 | Kisii | 265 | Bomachoge Chache | Alfah | Miruka Ondieki | United Democratic Alliance | UDA | 12558 |
| 045 | Kisii | 266 | Nyaribari Masaba | Manduku | Daniel Ogwoka | Orange Democratic Movement | ODM | 16,303 |
| 045 | Kisii | 267 | Nyaribari Chache | Jhanda | Zaheer | United Democratic Alliance | UDA | 31,648 |
| 045 | Kisii | 268 | Kitutu Chache North | Mokaya | Nyakundi Japheth | United Democratic Alliance | UDA | 11,834 |
| 045 | Kisii | 269 | Kitutu Chache South | Kibagendi | Antoney | Orange Democratic Movement | ODM | 14,478 |