Christopher Rice Mansel Talbot FRS (10 May 1803 – 17 January 1890) was a Welsh landowner, industrialist and Liberal politician. He developed his estate at Margam near Swansea as an extensive ironworks, served by railways and a port, which was renamed Port Talbot. He served as a Member of Parliament for Glamorgan constituencies from 1830 until his death in 1890, a sixty-year tenure which made him the second longest serving MP in the nineteenth century. He was Lord Lieutenant of Glamorgan, from 1848 to 1890.