Mariany Nonaka

Mariany Mayumi Nonaka (born 22 February 1988) is a Brazilian table tennis player. As of March 2012, Nonaka is ranked no. 406 in the world by the International Table Tennis Federation (ITTF). She is a member of Acrepa Sao Bernardo Sports Club, and is coached and trained by Mauricio Kobayashi. Nonaka is also right-handed, and uses the attacking, shakehand grip.

Nonaka made her official debut, as a 16-year-old, at the 2004 Summer Olympics in Athens, where she competed only in the women's doubles. Playing with her partner Lígia Silva, Nonaka received a bye for the first round, before losing out to the Czech duo, Renáta Štrbíková and Alena Vachovcová, with a set score of 2–4.

Four years after competing in her first Olympics, Nonaka qualified for her second Brazilian team, as a 20-year-old and a lone female table tennis player, at the 2008 Summer Olympics in Beijing, by receiving a spot from the Latin American Qualification Tournament in Santo Domingo, Dominican Republic. She lost the preliminary round match of the women's singles to Lithuania's Rūta Paškauskienė, with a unanimous set score of 0–4.