Occitan
A Romance language of southern France, Monaco, parts of Italy and Spain — once the prestige tongue of medieval troubadour poetry, today minority and endangered.
8 languages starting with the letter O — each with origin, classification, and notes.
If you've been searching for languages that start with O, you'll find 8 detailed languages below. We're not interested in giving you only a list of names — every entry on this page links to a full profile with the kind of detail you'd actually want to know.
For languages, that means family, writing scripts, native range, speaker counts, and status.
| Occitan | Odia | Ojibwe | Old Church Slavonic |
| Old English | Old Norse | Oromo | Ossetian |
A Romance language of southern France, Monaco, parts of Italy and Spain — once the prestige tongue of medieval troubadour poetry, today minority and endangered.
An Indo-Aryan language and the official tongue of the Indian state of Odisha — one of India's six classical languages, with a literary tradition dating to the 13th century.
A Central Algonquian language spoken across the Great Lakes region of the United States and Canada — one of the most widely spoken Indigenous languages in North America.
The first literary Slavic language — developed in the 9th century by Saints Cyril and Methodius for the Christianisation of the Slavs, still used liturgically by Orthodox churches.
The West Germanic language spoken in early medieval England — the language of *Beowulf*, unrecognisable to modern English speakers without study.
The North Germanic language of the Viking Age — ancestor of Icelandic, Faroese, Norwegian, Swedish, and Danish — and the language of the Eddas and sagas.
A Cushitic language and the most widely spoken first language in Ethiopia — written in a Latin alphabet known as Qubee since the 1990s.
An Eastern Iranian language and the official language of North Ossetia (Russia) and South Ossetia — about 540,000 speakers, descended from the Alans and Scythians.
That's our current list of languages starting with the letter O. We add new entries every week — if you have a favorite language starting with O that isn't on this page, let us know and we'll write it up.
Looking for more? Try languages that end with O, or contain O anywhere in the name.