Jackie Blanchflower, Northern Irish footballer and accountant (d. 1998)

John Blanchflower (7 March 1933 – 2 September 1998) was a Northern Irish footballer. He graduated from Manchester United's youth system and played for the club on 117 occasions, winning two league titles, before his career was cut short due to injuries sustained in the Munich air disaster. He was also capped 12 times at senior level by Northern Ireland.

He was the younger brother of Danny Blanchflower, the captain of the Tottenham Hotspur side that dominated English football in the early 1960s.