Sir Trevredyn Rashleigh Wynne KCSI KCIE VD KStJ (1853–1942) was the Managing Director of the Bengal-Nagpur Railway Company from 1915 until 1930 when he became Chairman.
In 1887 he resigned from his position in government to join the Bengal-Nagpur Railway Company, which was formed in that year, as its chief engineer.
In 1908 he was made President of the Railway Board of India and retired from the position in 1914 upon which he returned to England.
In England Sir Wynne was appointed the Government Director of Indian Railway Companies at the India Office.
Sir Trevredyn Wynne died at his home in Leatherhead on 28 June 1942 at the age of 88.