Iveagh Upper, Lower Half is the name of a barony in County Down, Northern Ireland.

[2] It was created by 1851 with the division of the barony of Iveagh Upper into two.

[3] It lies in the centre of the county, and is bordered by six other baronies: Iveagh Upper, Upper Half and Lordship of Newry to the west; Mourne to the south; Kinelarty and Lecale Upper to the east; and Iveagh Lower, Upper Half to the north.

[2] Below is a list of the villages and population centres in Iveagh Upper, Lower Half:[1][4] Below is a list of civil parishes in Iveagh Upper, Lower Half:[1][5][4]