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

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

In 2018, the province contributed to 0.97% of the total national GDP of Mongolia.