Arkhangai Province (Mongolian: Архангай аймаг, pronounced [arχəɴˈɢæˑ ˈæˑməq]) is one of the 21 aimags of Mongolia.

It is located slightly west of the country's center, on the northern slopes of the Khangai Mountains.

The main field of economy in the aimag is agriculture, predominantly animal husbandry.

According to 2004 data, the aimag was home to 1,948,000 domestic animals: goats, sheep, cattle (incl.

Camels are almost exclusively herded in the southeastern sums.