奥尔卡洛乌是肯尼亚的城镇，位于该国中部，由中部省负责管辖，是年达鲁阿郡的首府，处于阿伯德尔山脉以西和纳库鲁以东40公里，1999年人口47,795。

Ol Kalou is a town in Kenya. It is the capital of Nyandarua County of the former Central Province. It is located west of Aberdare range and 40 kilometres east of Nakuru. Ol Kalou is connected by road to Gilgil, Nyahururu and Nakuru. Ol Kalou forms a town council with a population of 47,795, of whom 15,186 are classified urban (1999 census ).