Lusby is a village in the East Lindsey district of Lincolnshire, England. Situated about 4 miles (6 km) west from Spilsby, and about 5 miles (8 km) east from Horncastle, the village was a civil parish, but it now lies in that of Lusby-with-Winceby, which reported a population (including Hameringham) of 147 at the 2011 census.