Horsington is a village and civil parish in the East Lindsey district of Lincolnshire, England. It lies on the B1190, 4 miles (6.4 km) north from Woodhall Spa and 6 miles (10 km) west from Horncastle as well as 6 miles east of Bardney. The parish includes the hamlet of Poolham which is situated 0.90mi (1.44 km) to the east of the village.