Nas Muammar Zar bin Nasruddin or better known by his stage name "Nas-T" (born 4 October 1983) is a Malaysian musician, DJ, host,actor and model.

He began his career in 2001 with a band called Dragon Red and was active as a DJ at leading clubs in Kuala Lumpur. He then ventured into acting in his first feature film Goodbye Boys, directed by Bernard Chauly in 2006. In 2008, he gained recognition for his role as Abu in the TV series KAMI and was nominated for Best Supporting Actor at the 22nd Malaysian Film Festival for the same role in the film KAMI The Movie.