John Tohill (1855–1914) was an Irish Roman Catholic Prelate and 26th Lord Bishop of Down and Connor. He was born in Gortmacrane County Londonderry, on 23 December 1855 to Anthony Tohill and Alice (née Convery) Tohill. He studied Classics at Tirgarvil School and then boarded at St. Malachy's College before entering Maynooth College on 21 September 1875.