Karen Elizabeth Preston (born July 8, 1971) is a Canadian former competitive figure skater.
She is the 1992 Grand Prix International de Paris silver medallist, a two-time Skate Canada International bronze medallist, a two-time (1989, 1992) Canadian national champion, and the 1987 Blue Swords Junior champion.
She finished in the top ten at two World Championships and the 1992 Winter Olympics in Albertville.