Thomas Delworth

William Thomas Delworth (February 24, 1929 – October 29, 2012) was a Canadian diplomat and academic.

Born near Weston, Ontario, Delworth studied at Weston Collegiate and Vocational School and at the University of Toronto where he received a Bachelor of Arts in psychology in 1951 and a Master of Arts degree in modern history in 1956. A diplomat, he was the Canadian Ambassador to Indonesia (1970-1974), Hungary (1975-1978), Sweden (1984-1988), and the Federal Republic of Germany (1987-1992).

After retiring in 1993 he taught at the University of Toronto where he was appointed Provost of Trinity College from 1996 to 2002. He died in Ottawa, Ontario in 2012.