Atong Demach (born June 16, 1988) is a South Sudanese businesswoman, model and beauty pageant titleholder.
Demach was crowned as Miss World Africa 2012 in China during the grand final of Miss World 2012 beauty pageant held in the northeastern Chinese mining city of Ordos, Inner Mongolia, located on the edge of the Gobi desert.
After Miss World, Demach was appointed by the government of South Sudan as Ambassador for Culture.
[5] In 2013, she was named as brand ambassador for ZTE, a Chinese multinational telecommunications equipment and systems company.
In 2015 she was appointed as International Public Relations Advisor for Japan Government Agency (JICA).