Dungannon and South Tyrone Borough Council (Irish: Comhairle Buirge Dhún Geanainn agus Thír Eoghain Theas, Ulster Scots: Rathgannon an Sooth Owenslanngh Cooncil) is a local council in Northern Ireland. It is set to merge with Cookstown District Council and Magherafelt District Council in May 2015 under local government reorganisation in Northern Ireland to become Mid-Ulster District Council.