Here is a list of every locale in Discord (Updated April 2023):
da
- Danishde
- Germanen-UK
- English, UKen-US
- English, USes-ES
- Spanishfr
- Frenchhr
- Croatianit
- Italianlt
- Lithuanianhu
- Hungariannl
- Dutchno
- Norwegianpl
- Polishpt-BR
- Portuguese, Brazilianro
- Romanian, Romaniafi
- Finnishsv-SE
- Swedishvi
- Vietnamesetr
- Turkishcs
- Czechel
- Greekbg
- Bulgarianru
- Russianuk
- Ukrainianhi
- Hindith
- Thaizh-CN
- Chinese, Chinaja
- Japanesezh-TW
- Chinese, Taiwanko
- Korean