Cadney cum Howsham is a former civil parish, now in the parish of Cadney, in the North Lincolnshire district, in the ceremonial county of Lincolnshire, England. It consisted of the villages of Cadney and Howsham, several farms, and mainly arable farmland. In 1931 the parish had a population of 400. On the 1 April 1936 the civil parish was abolished and merged with Newstead to form Cadney.