Aswarby and Swarby is a civil parish in the North Kesteven district of Lincolnshire, England. Aswarby (pronounced locally as "as-r-bee") is the ecclesiastical parish formed in 1850 from the two Ancient Parishes of Asarby and Swarby. The civil parish of Asarby and Swarby also includes Crofton. The parish therefore consists of both Aswarby and Swarby.