Arthur Margelidon (born 12 October 1993, in Paris, France) is a Canadian judoka who competes in the men's 73 kg category.

[1] Margelidon won the bronze medal the 2015 Pan American Games in Toronto, and the gold medal at the 2016 Pan American Judo Championships in Havana.

[2] In June 2016, he was selected for Canada's Olympic team,[3] but he had to withdraw after he injured his arm.

[5] Margelidon would go onto finish in fifth place, one victory away from a bronze medal.

[6] He lost his bronze medal match in the men's 73 kg event at the 2023 World Judo Championships held in Doha, Qatar.