Alia Shanee Atkinson, OD (born 11 December 1988) is a Jamaican swimmer and five time Olympian. At the 2012 Summer Olympics, she became the second Jamaican swimmer to place in the top four at an Olympics Games, finishing fourth in the 100-metre breaststroke. In 2014, she became the second woman to swim a 1:02.36 in the short course 100-metre breaststroke tying the world record in the event. In 2016, Atkinson set a new world record in the short course 50-metre breaststroke. Two years later, in 2018, she set a new world record in the short course 50-metre breaststroke for the second time. She was the first Afro-Jamaican to win a world title in swimming.