Dowsby is a village and civil parish in the South Kesteven district of Lincolnshire, England. It is situated on the western edge of The Fens at the junction of the east-west B1397 road and the north-south B1177. It is 1 mile (1.6 km) north-east from Rippingale and just south of Pointon. The civil parish includes the hamlet of Graby. Nearby to the east, along the B1397 at Dowsby Fen, is Car Dyke.