Karel Zelenka is a Czech-Italian former competitive figure skater. He is a five-time (2003–2007) Italian national champion and competed at the 2006 Winter Olympics. He qualified to the free skate at eleven ISU Championships – three World, three World Junior, and five European Championships – and finished in the top ten twice.

The Italian Figure Skating Championships are a competition held annually to determine the national champions of Italy. Medals may be awarded in the disciplines of men's singles, ladies' singles, pair skating, ice dancing, and synchronized skating.