|Sovereign state||United Kingdom|
Massereene Upper is a barony in southwest County Antrim, Northern Ireland. It roughly matches the former district of Killultagh (Irish: Coill Ultaigh, meaning 'the woods of the Ulsterfolk'). It includes settlements such as Crumlin, Glenavy, Lower Ballinderry, Maghaberry and Aghalee. To its east lies Belfast Lough, and it is bordered by four other baronies: Massereene Lower to the north; Belfast Upper to the east; Castlereagh Upper to the south-east; and Iveagh Lower, Lower Half to the south-west.
Below is a list of settlements in Massereene Upper:
Below is a list of civil parishes in Massereene Upper: