Richard Bagwell (9 December 1840 – 4 December 1918) was a historian of the Stuart and Tudor periods in Ireland, and a political commentator with strong Unionist convictions. He was the eldest son of John Bagwell, M.P. for Clonmel from 1857 to 1874. His son John Philip Bagwell followed the family tradition in politics becoming a Senator in the government of the Irish Free State in 1923.