Graham Jack

Graham Robert Jack (born 19 June 1970) is a New Zealand former professional rugby union player.

A lock, Jack was active in first-class rugby during the 1990s, playing with Manawatu and Canterbury. He had a season with the Crusaders in 1998 and made four appearances, two in the starting XV, then was left out of their 1999 campaign after Todd Blackadder was moved to the second row.

Jack, an aircraft engineer, is the elder brother of All Black Chris Jack and father of Crusaders player Liam Jack.