Turlough may refer to:
Places Turlough (lake), a transient waterbody, common in Ireland, fed by groundwater Turlough, County Mayo, Ireland, a village Turlough Hill, a mountain in Ireland
People Toirdelbach, a masculine Irish given name sometimes Anglicised as Turlough Turlough O'Brien, Gaelic football manager Toirdelbach Ua Briain (1009–1086) Anglicised as Turlough O'Brien, King of Munster, effectively High King of Ireland Turlough Luineach O'Neill (1530–1595) Ulster chieftain Turlough MacShane O'Neill (died 1608), Irish landowner Turlough Ó Carolan (1670–1738) Irish harper Vislor Turlough, fictional character from Doctor Who