Danwel Demas (born 15 October 1981) is a South African rugby union player who most recently played for the Boland Cavaliers. He previously played for Italian club Aironi in the Pro12, and for the Bulls and Cheetahs in Super Rugby. He represented South Africa in sevens, in 2003 and from 2005 to 2007. In 2012, he joined the Pumas and represented them in the Vodacom Cup and the Currie Cup competitions until the end of 2013. Demas also represented the Emerging Springboks from 2006 to 2009.