Saikhan-Ovoo () is a bag in Saikhan District of Bulgan Province, Mongolia.
The population of Saikhan-Ovoo is 500 (or 124 households) (end of 2006).
Saikhan-Ovoo is near the Saikhan-Ovoo mountain, north-west of Saikhan sum centre, and west of Bulgan city, the capital of Bulgan Province.
Saikhan-Ovoo has a cold desert climate (Köppen climate classification BWk) with warm summers and very cold winters. Most precipitation falls in the summer as rain. Winters are very dry.
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Saikhan-Ovoo coal mine has estimated coal resources of up to 190 million tonnes.