Category:ISO 15924:Ougr

This category lists languages which use the Old Uyghur script (or ancien ouïgour in French), coded Ougr or 143 in ISO 15924 since 2021-01-25 [typology: abjad; main direction: rtl], supported by Unicode since version 14.0 with the alias Old_Uyghur (ref. : Ch14.11). See also Wikipedia:en:ISO 15924:Ougr, Wikidata:Q1998938.
You can render that script on your system with the following fonts (in order of coverage): 'Noto Serif Old Uyghur', sans-serif.