Kitui South Constituency is an electoral constituency in Kenya. It is one of four constituencies in Kitui District. The constituency was established for the 1963 elections. At the 1988 and 1992 elections it was known as Mutomo Constituency. The constituency has six wards, all electing councillors for the Kitui County Council.
| Elections | MP [1] | Party | Notes |
|---|---|---|---|
| 1963 | Philip Nzuki Mbai | KANU | |
| 1969 | Philip Nzuki Mbai | KANU | One-party system |
| 1974 | Patrice Mwangu Ivuti | KANU | One-party system |
| 1979 | Patrice Mwangu Ivuti | KANU | One-party system |
| 1983 | E. Mwangu Ivuti | KANU | One-party system. |
| 1988 | Philip Nzuki Mbai | KANU | One-party system. |
| 1992 | Isaac Mulatya Muoki | KANU | |
| 1997 | Samuel Kalii Kiminza | SDP | |
| 2002 | Patrice Mwangu Ivuti | Ford-Asili | |
| 2007 | Issac Mulatya Muoki | ODM-Kenya |
| Wards | |
| Ward | Registered Voters |
|---|---|
| Ikanga / Kyatune | 9,261 |
| Ikutha / Kasala | 6,892 |
| Kanziko / Simisi / Mathima | 7,199 |
| Maluma / Athi / Kalivu | 9,018 |
| Mutha / Ndakani | 4,310 |
| Mutomo / Kibwea | 7,024 |
| Total | 43,704 |
| *September 2005 [2]. | |