Kirkkonummi (Swedish: Kyrkslätt) is a municipality in Uusimaa, Finland. As of January 2014, almost 38,000 people lived in Kirkkonummi. It has an area of 393.3 square kilometres (151.9 sq mi).
Most people speak Finnish, almost 80%.
Kirkkonummi is close to the capital city, Helsinki. Other neighbouring municipalies are Espoo, Vihti and Siuntio.
Kirkkonummi was established in 1330.