Castlecaulfield is a small village in County Tyrone, Northern Ireland. It lies about 2 miles west of Dungannon and is part of the Mid Ulster District Council area. The village is mostly within the townland of Drumreany, although part of it extends into Lisnamonaghan. It is situated in the historic barony of Dungannon Middle and the civil parish of Donaghmore. It is sometimes called "Caufle" or "Cawfield" by locals. The village came Joint First in the Britain in Bloom (Village Category) in 2016 and first in the Ulster in Bloom (Village Category)in 2015 & 2016.
The village came into being during the Plantation of Ulster in an area formerly known as Ballydonnelly. Formerly part of the O'Neill clan's territory, it was "undertaken" by English settlers. The Castle to which the name refers was in the main square and was built to protect the local population from Irish attacks. It was built by Toby Caulfield, Viscount Charlemont. The remains of George Walker are buried within the local parish church. Walker was the governor in the city of Londonderry during the 1689 Siege of Derry.
The population of the village increased slightly overall during the 19th century:
Coordinates: 54°30′28″N 6°50′10″W / 54.50778°N 6.83611°W