Ulceby is a village in the East Lindsey district of Lincolnshire in England. It is situated next to the A1028 road, it is located east from Horncastle and south-west from Alford, and forms part of Ulceby with Fordington civil parish (where the population is listed).
The hamlet of Ulceby Cross lies at the intersection of the A16, A1028 and A1104 roads about north-west of the village at .