Govi-Altai (Mongolian: Говь-Алтай / Gowi-Altai, pronounced [ˌɡœw̜‿aɬˈtʰæˑ]) is an aimag (province) in western Mongolia.

The Altai Airport (LTI/ZMAT) has one paved runway and is served by regular flights to Arvaikheer, Bayankhongor and Ulaanbaatar. The new arrival/departure building was opened to the public in 2013.

The capital Altai is geographically located in Yesönbulag sum, and not to be confused with the Altai sum in the south of the aimag.

The sums of Govi-Altai Aimag

Sum	Mongolian	Area (km)	Population 2007(est.)	Population 2009(est.)	Density (/km)	Distance from Altai city (km)
Altai	Алтай	20,256	2,386	2,152	0.11	318
Bayan-Uul	Баян-Уул	5,836	2,953	2,943	0.50	146
Biger	Бигэр	3,826	2,460	2,197	0.57	108
Bugat	Бугат	9,921	2,461	2,257	0.23	219
Chandmani	Чандмань	4,629	2,024	2,053	0.44	189
Darvi	Дарви	3,523	1,877	1,819	0.52	212
Delger	Дэлгэр	6,625	3,066	3,104	0.47	88
Erdene	Эрдэнэ	26,066	2,280	2,288	0.09	223
Khaliun	Халиун	4,214	2,546	2,497	0.59	87
Khökh morit	Хөх морьт	6,314	2,404	2,461	0.39	215
Jargalan	Жаргалан	3,683	1,885	1,904	0.52	102
Sharga	Шарга	5,566	1,930	1,921	0.35	79
Taishir	Тайшир	3,913	1,575	1,536	0.39	43
Tögrög	Төгрөг	5,343	1,871	1,914	0.36	148
Tonkhil	Тонхил	7,322	2,388	2,402	0.33	218
Tseel	Цээл	5,631	2,235	2,038	0.36	167
Tsogt	Цогт	16,618	3,950	3,697	0.22	187
Yesönbulag*	Есөнбулаг	2,161	17,527	16,243	7.52	0

*Includes the capital of Govi-Altai Aimag, Altai City.