Orior Lower (from Irish: Airthir, the name of an ancient Gaelic territory)[2][3] is a barony in County Armagh, Northern Ireland.

It is bordered by seven other baronies: Fews Upper to the south-west; Fews Lower to the west; Oneilland West to the north-west; Oneilland East to the north; Iveagh Lower, Lower Half to the north-east; Iveagh Upper, Upper Half to the east; and Orior Upper to the south.

A small enclave of Orior Lower resides in the east of Orior Upper.

[4] Below is a list of settlements within Orior Lower:[1] Below is a list of civil parishes in Orior Lower:[5][6]

This article related to the geography of County Armagh, Northern Ireland is a stub.