Shaamar (Mongolian: Шаамар) is a sum (district) of Selenge Province in northern Mongolia.

The Dulaankhaan urban-type settlement is 35 km S from Shaamar sum center.

[1] The sum center settlement of Shaamar is divided into two parts, about 8 miles apart.

Lower Shaamar has access to the railway station and water from the river.

Today, the local economy is mainly supported by vegetables, cattle, pork, poultry, and lumber.