Tarialan (Mongolian: Тариалан, field) is a sum (district) of Uvs Province in western Mongolia.

It is the closest sum to Ulaangom, only about 30 km away from the provincial capital.

It is home to the Khoton speakers of the Oirat language.

The Khoton practice a syncretic religion incorporating elements from Islam, and Tengri shamanism.

This Mongolia location article is a stub.