Terence Noel O'Brien (23 December 1906 – 19 December 1982) was an English rower, born in Thanet, who competed for Great Britain in the 1928 Summer Olympics.
O'Brien was a member of London Rowing Club. In 1927, partnering Robert Nisbet, he won Silver Goblets at Henley Royal Regatta.[1] In 1928 the pair were chosen to compete in the coxless pairs for Great Britain rowing at the 1928 Summer Olympics, where they won the silver medal.[2] At the 1930 British Empire Games he was a member of the English eight which won the gold medal.