Bluntisham is a village and civil parish in Cambridgeshire, England. The population of the civil parish at the 2011 census was 2,003. Bluntisham lies approximately 8 miles east of Huntingdon. Bluntisham is situated within Huntingdonshire which is a non-metropolitan district of Cambridgeshire as well as being a historic county of England. The villages of Earith, Colne, Woodhurst, and Somersham are all close by. The prime meridian passes through the western edge of Bluntisham.