Arthur Nabarrete Zanetti is a Brazilian artistic gymnast. He won the gold medal in the rings exercise at the 2012 Summer Olympics in London, becoming the first Brazilian and Latin American gymnast to win an Olympic medal in history. He also won the gold medal at the 2013 World Artistic Gymnastics Championships in Antwerp.

The 2011 World Artistic Gymnastics Championships were held in Tokyo, Japan, from October 7–16, 2011, at the Tokyo Metropolitan Gymnasium. Due to uncertainty over the nuclear situation following the 2011 Tōhoku earthquake and tsunami, the International Federation of Gymnastics revealed it was considering moving the event, but on May 22 FIG president Bruno Grandi announced that the World Championships would take place in Tokyo as planned.