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

It is situated approximately 5 miles (8.0 km) south-west from the town of Market Rasen.

Wickenby existed at the time of Domesday Book of 1086 when it consisted of fifteen households.

In the east wall of the south aisle is set a brass to Henry Millner, who died in 1635.

The southern part is disused, and the south-eastern end of the runway is occupied by a poultry farm.