Kari Improved Kienyeji chicken, also known as the KARI Improved Indigenous Chicken, is a breed of chicken developed by the Kenya Agricultural Research Institute (KARI) in collaboration with the International Livestock Research Institute (ILRI) to improve the productivity of traditional indigenous chicken breeds in Kenya.

The KARI Improved Kienyeji chicken is a hardy breed that is well adapted to the local environment and is resistant to diseases. It is known for its high meat and egg production, fast growth rate, and low mortality rate. The breed is also valued for its ability to forage and scavenge for food, which makes it suitable for rural smallholder farmers who may not have access to commercial chicken feed.

Overall, the KARI Improved Kienyeji chicken has played an important role in improving the livelihoods of many smallholder farmers in Kenya, as it provides a source of income and nutrition for households.