Alexander Lars-Åke Gustafsson (born 15 January 1987) is a Swedish professional mixed martial artist. He currently competes in the Light Heavyweight division in the Ultimate Fighting Championship (UFC).
Gustafsson spent a major part of his MMA career in the Light Heavyweight division of the UFC, where he became a top contender and fought for the title three times. He is often regarded as one of the best mixed martial artists never to have won a UFC Championship.