Belfast Upper is a barony in County Antrim, Northern Ireland. To its east lies the barony of Belfast and Belfast Lough, and it is bordered by five other baronies: Belfast Lower to the north-east; Antrim Upper to the north-west; Massereene Lower to the west; Massereene Upper to the south-west; and Castlereagh Upper to the south. The Forth River flows through both Belfast Upper and Lower. The most prominent hills in the barony are Black Hill and Lyle's Hill.

Below is a list of settlements in Belfast Upper:

Below is a list of civil parishes in Belfast Upper: