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.
The principal economic activity is animal husbandry, with pastoral yak, goat and sheep. The township is very rich in fish and mineral resources, and as many as 30 kinds of mineral which are found there, including coal, iron, chromium, iron, copper, zinc, antimony, molybdenum, gold dust, rock gold, borax, platinum, silver, rock crystal, jade, mica, salt, oil, etc.