Caenby is a hamlet and civil parish in the West Lindsey district of Lincolnshire, England.

It is situated 10 miles (16 km) north of the city and county town of Lincoln.

[2] Caenby's Grade II listed Anglican church is dedicated to St Nicholas.

[4][6] In 1945 fields adjacent to Caenby were a military Q decoy site maintained by RAF Hemswell.

Dummy plywood buildings, inflatable rubber aircraft or vehicles, and a ploughed faux runway were set up to simulate an active airfield and draw German bombers away from genuine target airfields.