Kristiina Marketta "Tintti" Wegelius (born October 12, 1960) is a Finnish former competitive figure skater. She won medals at Skate Canada International, Skate America, and NHK Trophy, as well as four Finnish national titles. Wegelius placed tenth at the 1980 Winter Olympics, as high as sixth at the World Championships (1981, 1983), and as high as fourth at the European Championships (1979, 1980, 1981). She was coached by Carlo Fassi.