Harrington is a hamlet and civil parish in the East Lindsey district of Lincolnshire, England.

[1] The parish church is a Grade II* listed building dedicated to Saint Mary, dating from the 13th century, and largely rebuilt in 1854-55 by Samuel Sanders Teulon.

In the south side of the nave is a tomb containing the 14th-century effigy of a knight in chain mail.

[2] Harrington Hall is a Grade I listed red-brick country house, built in the late 17th century by Vincent Amcotts, to replace a mansion house built for the Copledyke family about 1575, according to a dated beam.

The walled garden of Harrington Hall is the one that Alfred Lord Tennyson mentioned in his poem Maud 1855.