Thomas Augustine "Gus" Martin (13 November 1935 – 16 October 1995) was an Irish academic, Anglo-Irish scholar, teacher, writer, politician, broadcaster and literary critic.
During his career he was professor of Anglo-Irish Literature at University College Dublin (UCD), chairman of the board of the Abbey Theatre, and a member of Seanad Éireann (the Irish senate) from 1973 to 1981.
Initially educated at the local national school, he completed his secondary education at Cistercian College, Roscrea (CCR), a boarding school in County Tipperary where he captained the rugby team, was elected House Captain by the students and in his Leaving Certificate examination, scored an A in English, coming first in the country that year.
During this period he edited the secondary school text books Exploring English (prose) and Soundings (poetry).
As a senator, he spoke for the arts and culture and was notably active in the opposition to the development of Wood Quay, a 900-year-old Viking settlement in Dublin.