Wyham cum Cadeby (otherwise Wyham with Caldeby[1]) is a depopulated civil parish[2] in the East Lindsey[3] district of Lincolnshire, England.

The nearest village is Ludborough (where any remaining population is included), about 1 mile (1.6 km) to the east on the A16 road, and the nearest town, Louth, 5 miles (8 km) to the south.

Wyham cum Cadeby consists of the remaining hamlet of Wyham (grid reference TF277951[4]) and the former village of Cadeby, otherwise North Cadeby (TF271960,[5]), both settlements a deserted medieval village.

The parish church, dedicated to All Saints, once seated 90.

[8] There is a former chalk quarry which has been converted to a clay and skeet shooting ground.