Trysull and Seisdon is a conjoined civil parish in the South Staffordshire non-metropolitan district, in the county of Staffordshire, England. The population of the civil parish taken at the 2011 census was 1,150. It is in the lowest tier of local government below districts and counties. It is both an administrative parish, and an ecclesiastical parish formed from the two historic villages of Trysull and Seisdon.