Terence Rogers Tiller (19 September 1916 – 24 December 1987) was an English poet and radio producer.
He was born in Truro, Cornwall. He studied history at Cambridge; after graduating BA he lectured there in medieval history, 1937 to 1939. During World War II he taught English literature at the University of Cairo.
In 1946 he joined the BBC Features Department; and was a known Fitzrovian. In 1955 he was producer of the first BBC radio adaptation of Tolkien's The Lord of the Rings (which did not please the author). He later brought work by Mervyn Peake to the airwaves. In 1964 he moved to the Drama Department; he has written and produced radio scripts on a wide range of subjects, but mainly on history, literature and mythology. His work on the weekly chess programme on the Third Programme led to his book Chess Treasury of the Air.