Eynesbury is an urban area forming part of St Neots in Cambridgeshire, England. It mainly consists of housing, although there is an area of light industry, and a large supermarket. Eynesbury is home to Ernulf Academy and a fitness centre called One Leisure. In addition there is a large area of open grassland and a caravan park. In earlier times Eynesbury was a distinct area, but nowadays it is considered to be a subdivision of St Neots.