Övörkhangai (Mongolian: Өвөрхангай; lit. "South Khangai") is one of the 21 aimags (provinces) of Mongolia. Its capital is Arvaikheer.

The Shankh Monastery, one of the oldest and most important monasteries, is located in this province, as well as Erdene Zuu monastery and Tövkhön Monastery. Karakorum, the ancient capital of the Mongol Empire was located adjacent to the Erdene Zuu monastery.

The province is located in central Mongolia. The Khangai Mountains cover its northern and northwestern parts. A steppe plain stretches to the south, and the extreme south enters the foothills of the Mongolian part of the Altai Mountains.

As of 2009, the aimag is subdivided into 19 sums.

The sums of Övörkhangai Aimag

Sum	Mongolian	Population 2004 est.	Population 2006 est.	Population 2008 est.
Arvaikheer	Арвайхээр	22,546	24,954	25,622
Baruun Bayan-Ulaan	Баруун Баян-Улаан	2,586	2,502	2,556
Bat-Ölzii	Бат-Өлзий	5,932	5,878	6,189
Bayan-Öndör	Баян-Өндөр	3,734	4,077	4,261
Bayangol	Баянгол	4,103	3,933	4,572
Bogd	Богд	5,708	5,395	5,342
Bürd	Бүрд	3,171	3,258	3,135
Guchin-Us	Гучин-Ус	2,290	2,279	2,260
Khairkhandulaan	Хайрхандулаан	3,388	3,462	3,510
Kharkhorin	Хархорин	12,546	13,270	12,901
Khujirt	Хужирт	6,781	6,749	6,649
Nariinteel	Нарийнтээл	3,797	3,792	3,736
Ölziit	Өлзийт	2,805	2,678	2,741
Sant	Сант	3,706	3,540	3,525
Taragt	Тарагт	3,860	3,424	3,313
Tögrög	Төгрөг	2,839	2,691	2,689
Uyanga	Уянга	10,003	10,510	9,581
Yesönzüil	Есөнзүйл	3,584	3,415	3,422
Züünbayan-Ulaan	Зүүнбаян-Улаан	4,268	4,343	4,436

Övörkhangai Province held Mongolia area's first Special Olympics Games events in 2015.

The Arvaikheer Airport (AVK/ZMAH) has one unpaved runway and is served by regular flights to Ulaanbaatar and Altai.

Bus travels from Arvaikheer to Ulaanbaatar.