Desertmartin (locally [ˈdɛzərtˈmartn], from Irish Díseart Mhartain, meaning "hermitage of St. Martin") is a small village in County Londonderry, Northern Ireland. It is four miles from Magherafelt, at the foot of Slieve Gallion. In the 2001 Census Desertmartin greater area had a population of 1,276. It had a population of 2257 in 1837 and 3101 in 1910. It lies within Desertmartin parish, Magherafelt District Council, and the historic barony of Loughinsholin. Neighbouring settlements include Draperstown, Magherafelt, Moneymore, and Tobermore.