Justin Warren Marshall is a New Zealand former rugby union player. He played 81 test matches for the New Zealand All Blacks between 1995 and 2005.
Marshall played for the Crusaders in the Super Rugby from 1996 to 2005, winning the competition five times. He subsequently moved to Europe and had spells playing for Leeds Tykes, the Ospreys, Montpellier and Saracens.
He is now a Sky Sports commentator in New Zealand for most All Blacks games and other provincial matches.