A county hall or shire hall is a common name given to a building that houses the seat of local government for a county.

The location of the county hall has usually denoted the county town.

In the case of Surrey, England, when county boundaries changed the county hall remained in Kingston upon Thames. County halls usually contain a council chamber, committee rooms and offices.

County halls in England, with the ceremonial county they served, include:

County halls ceased to have a role in Scotland in 1975, when a system of large regional councils was introduced. Former county halls in Scotland, with the county they served, include:

County halls ceased to have a role in Northern Ireland in 1973, when a system of local government districts was introduced. Former county halls in Northern Ireland, with the county they served, include:

County halls in Wales, with the county they served, include:

County halls in the Republic of Ireland, with the county they serve, include: