Anton Sveinn McKee (born in 1993) is an Icelandic swimmer who competes in the Men's 400m individual medley. At the 2012 Summer Olympics he finished 31st overall in the heats in the Men's 400 metre individual medley and failed to reach the final. At the 2016 Summer Olympics, he finished 18th overall in the heats in the Men's 200 metre breaststroke and failed to reach the final. At the 2020 Summer Olympics, he finished 24th overall in the heats in the Men's 200 metre breaststroke and failed to reach the final. He will represent Iceland at the 2024 Summer Olympics in Paris.