Runyenjes is the second largest town in Embu County, Kenya. Runyenjes derives its name from a popular Chief Runyenje of the colonial era who ruled from Thuci River to Sagana.
Towns surrounding Runyenjes include Kianjokoma, Karurumo, Kigumo, Kathageri, Mukuuri, Kanja, Mufu, Rukuriri, Ena, Gichiche, Kathanjuri, Kyeni (Makutano), Kiaragana and Nthagaiya.
Runyenjes serves as constituency and municipality. The population of Runyenjes is estimated to be 58,000 people. Runyenjes is located 150 km from Nairobi and 25 km from Embu.