Ol Kalou Constituency
Ol Kalou Constituency is an electoral constituency in Kenya. It is one of five constituencies in Nyandarua County. The constituency was established for the 1997 elections.
Members of Parliament
| Elections | MP | Party | Notes |
| 1997 | Karue Muriuki | DP | |
| 2002 | Karue Muriuki | National [Rainbow Coalition|NARC] | |
| 2007 | Erastus Kihara Mureithi | Party of [National Unity (Kenya)|PNU] | |
| 2013 | David Njuguna Kiaraho | JPK | |
| 2017 | David Njuguna Kiaraho | JPK | |
| 2022 | David Njuguna Kiaraho | JPK |