The 1991 UK Championship was a professional ranking snooker tournament that took place between 23 November and 1 December 1991 at the Guild Hall in Preston, England. The televised stages were shown on BBC. The highest break of the televised stages was 142 made by Martin Clark and the same for the non-televised stages was 137 made by Mark Bennett. John Parrott won his first and only UK Championship by defeating Jimmy White 16–13 in the final.