Duoma, Domar, or Duomaxiang (Tibetan: , ) is a village and township-level division of Shuanghu County in the Nagqu Prefecture of the Tibet Autonomous Region, in China. It is located roughly west of Amdo Town and roughly north of Siling Co, near the western bank of a lake at the foot of the Tanggula Mountains. As of 2004 it had a population of 1,488 people.