Dungannon Lower (named after Dungannon town) is a barony of County Tyrone. It was created in 1851 with the splitting of the barony of Dungannon into three. Dungannon Lower is bordered by four other baronies in Northern Ireland: Dungannon Middle to the north; Tiranny to the south-east; Clogher to the west; and Omagh East to the north-west. It is also bordered in the southwest by the barony of Trough in the Republic of Ireland.
The civil parishes in Dungannon Lower are:
- PRONI Baronies of Northern Ireland
- Notes on Baronies of Ireland 1821-1891, page 14
- "Civil Parishes of County Tyrone". FamilySearch. https://www.familysearch.org/learn/wiki/en/County_Tyrone. Retrieved 9 February 2013.