Noto Sans Mongolian
Google Fonts · Google · 2014

A Noto family typeface handling the distinctive vertical Mongolian script, ensuring reliable cross-platform rendering for one of the world's few vertically written living scripts.
About
Noto Sans Mongolian tackles one of the more technically demanding scripts in the Unicode standard, given Mongolian's vertical writing direction and complex joining behaviour. The font is designed to render correctly across operating systems and browsers, making it an essential resource for Mongolian-language digital publishing and software. Developers and publishers working with content in Mongolia or Inner Mongolia will find it indispensable.
Classification
Provides coverage for Mongolian script, which runs vertically, within the Noto family framework. The design accommodates the unique directional and structural requirements of classical Mongolian while maintaining Noto's neutral character.