Tuppy Diack

Tuppy Diack

Birth name	Ernest Sinclair Diack
Date of birth	(1935-07-22) 22 July 1935
Place of birth	Invercargill, New Zealand
School	Gore High School
University	University of Otago
Rugby union career
Position(s) Wing Provincial / State sides Years Team Apps (Points) 1951–53, 55–64 1954 Otago Southland 101 7 () International career Years Team Apps (Points) 1955–60 1959 New Zealand Universities New Zealand 18 1 (0)

Ernest Sinclair "Tuppy" Diack (born 22 July 1935) is a former New Zealand rugby union player. A wing three-quarter, Diack represented Otago and, briefly, Southland at a provincial level. He played one match for the New Zealand national side, the All Blacks, namely the second test against the touring 1959 British Lions.