Kajiado is a town in the former Rift Valley Province, Kenya. The town is located 80 kilometres south of Nairobi, along the Nairobi – Arusha highway. Local people are predominantly of the Maasai tribe.
Kajiado is headquarters to the former Kajiado District.
The name "Kajiado" comes from the word "Orkejuado." Which means "The Long River" in Maasai language. The seasonal river named after the town runs west of the town.
The original name for Kajiado was "Olopurupurana", which means "a round elevation."