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George Louis Chuvalo, CM (born September 12, 1937) is a retired Canadian heavyweight boxer who was never knocked down in ninety-three professional fights between 1956 and 1979. He is often considered to have had the greatest chin in the history of boxing. He was Canadian heavyweight champion as both an amateur and a professional, and twice fought for versions of the professional world's heavyweight title.

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乔治·路易斯·楚瓦洛（生于1937年9月12日）是一位退役的加拿大重量级拳击手，在1956年至1979年的93场职业比赛中从未被击倒。他通常被认为是拳击史上最伟大的下巴。他是加拿大重量级冠军，既是业余选手，也是职业选手，曾两次争夺职业世界重量级冠军头衔。