Harold Buck was an English professional rugby league footballer who played in the 1910s and 1920s. He played at club level for Hunslet and Leeds, as a wing. In November 1921, Buck became rugby league's first £1,000 player when he transferred from Hunslet to Leeds, (based on increases in average earnings, this would be approximately £152,100 in 2018). Buck made his début for Leeds against Wigan at Headingley Rugby Stadium, Leeds on Saturday 5 November 1921, he went on to play 99-matches for Leeds scoring 72-tries and 15-goals, for 246-points. Buck played right wing, i.e. number 2, and scored a try in Leeds' 28-3 victory over Hull F.C. in the 1922–23 Challenge Cup Final during the 1922-23 season at Belle Vue, Wakefield, the only occasion the Challenge Cup final has ever been staged at Belle