Lasse Juhani Kukkonen is a retired Finnish professional ice hockey defenceman. He last played for Oulun Kärpät of the Finnish Liiga. Earlier in his career, he had a four-year stint in the National Hockey League (NHL) with the Chicago Blackhawks and Philadelphia Flyers. After his career in ice hockey, Kukkonen is working as a lecturer and trainer specialising in mental coaching and leadership.

Oulun Kärpät is a Finnish professional ice hockey team based in Oulu and playing in the top-tier Finnish Liiga. Kärpät have won the Finnish championship title eight times, and is the most successful Finnish ice hockey team in the 21st century.