Fulletby is a village and a civil parish in the East Lindsey district of Lincolnshire, England. It is situated in the Lincolnshire Wolds, and 3 miles (5 km) north-east from Horncastle, 9 miles (14 km) south from Louth, and 8 miles (13 km) north-west from Spilsby. The parish covers approximately 1,950 acres (8 km2).