The Right Reverend Joseph Barber Lightfoot, D.D. (Trinity College, Cambridge University, 1864; M.A., Cambridge, 1854; B.A., Cambridge, 1851) was an Anglican theologian who was ordinaed priest in 1858. He served as Hulsean Professor of Divinity at Cambridge, 1861–75, Lady Margaret's Professor of Divinity 1875–79, and was consecrated Bishop of Durham by William Thomson, Archbishop of York, entering the House of Lords ex officio in 1879.