Kitui County has eight constituencies; Mwingi North, Mwingi West, Mwingi Central, Kitui West, Kitui Rural, Kitui Central, Kitui East, and Kitui South. Governor Julius Malombe heads the county.
Below is a list of MPs in Kitui County.
List Of MPs In Kitui County
| Constituency | MP | Party |
| Mwingi North | Paul Musyimi Nzengu | Wiper |
| Mwingi West | Charles Ngusya Nguna | Wiper |
| Mwingi Central | Gideon Mutemi Mulyungi | Wiper |
| Kitui West | Edith Vethi Nyenze | Wiper |
| Kitui Rural | David Mwalika Mboni | Wiper |
| Kitui Central | Makali Benson Mulu | Wiper |
| Kitui East | Nimrod Mbithuka Mbai | UDA |
| Kitui South | Rachael Kaki Nyamai | Jubilee |