Authorpe is a village and civil parish in the East Lindsey district of north-west of Lincolnshire, England. It is situated between the A16 and the A157 roads, 6 miles (10 km) south-east from Louth and 4.5 miles (7 km) north-west from Alford. Authorpe is mentioned in the 1086 Domesday Book as "Agetorp", in the South Riding of Lindsey Hundred of Louthesk. Noted are 5 villagers, 1 smallholder and 4 freemen, with 3 ploughlands and 8 acres (0.03 km2) of meadow. In 1066 Godric was Lord of the Manor, by 1086 transferred to Ansgot of Burwell, who was also Tenant-in-chief.