Bourn is a small village and civil parish in South Cambridgeshire, England. Surrounding villages include Caxton, Eltisley and Cambourne. It is 8 miles (12 km) from the county town of Cambridge. The population of the parish was 1,015 people at the time of the 2011 census.
Bourn has a Church of England primary school, a doctors' surgery, the Church of St. Mary & St. Helena, a golf club, a former Royal Air Force bomber airfield (RAF Station Bourn 1940-1945), which today is used for light aircraft, and an old windmill. Bourn Hall Clinic, the centre for infertility treatment founded in 1980 by IVF pioneers Mr Patrick Steptoe and Professor Robert Edwards, who were responsible for the conception of Louise Brown, the world's first IVF or test-tube baby in 1978, is also located here. Since its foundation the clinic has assisted in the conception of over 10,000 babies. A small stream called Bourn Brook runs through The Village, eventually joining The River Cam.