Thorfinn Karlsefni (Old Norse: Þorfinnr Karlsefni, Icelandic: Þorfinnur Karlsefni), whose signifies "Makings of a man", was an Icelandic explorer. Around the year 1010 AD, he followed Leif Eriksson's discovered route to Vinland (Newfoundland and Labrador, Canada, or perhaps further south), in a short-lived attempt to establish a permanent settlement there with his passengers and crew.