Keelby is a village and civil parish in the West Lindsey district of Lincolnshire, England, on the A18, 6 miles (10 km) west from the seaport of Grimsby and 4 miles (6 km) east from the local Humberside Airport, with close access to the A180 to the north, and M180 to the west.

[1] Keelby is listed in the Domesday Book as "Chelebi" or "Chilebi".

[2] A place name ending in "-by" generally indicates that the town or village was a primary Viking settlement.

Keelby has a tennis court, bowling green, park, primary school, guest house and a war memorial, a Mace and a Spar store, and two public houses, the King's Head and the Nag's Head.

Keelby once had a village pond situated at the junction of Pelham Crescent and Mill Lane, however this was filled in during the 1950s.