This category lists languages which use the Mongolian script (or mongol in French), coded Mong or 145 in ISO 15924 since 2004-05-01 [typology: alphabet, unicameral, joining, vertically rotated top-to-bottom on right-to-left columns; main direction: ltr], supported by Unicode since version 3.0 with the alias Mongolian (ref. : Ch13.5). See also Wikipedia:en:ISO 15924:Mong, Wikidata:Q1055705.
You can render that script on your system with the following fonts (in order of coverage): 'Noto Sans Mongolian', 'Mongolian Baiti', sans-serif.
Note: This is a vertical writing script.