* Low German (also known as Plattdeutsch) is a West Germanic language that is spoken in the northern parts of Lower Saxony, particularly in the rural areas. It is considered a distinct language by some linguists.
* Westphalian is a Low German dialect that is spoken in the western parts of Lower Saxony, particularly in the regions bordering North Rhine-Westphalia.
* East Frisian is a Low German dialect that is spoken in the north-west of Lower Saxony, particularly in the East Frisian Islands.
* Saterland Frisian is a distinct Frisian language that is spoken in the Saterland region of Lower Saxony. It is considered an endangered language.
* Romani is a language spoken by the Roma people in Lower Saxony.
* Turkish is spoken by a significant Turkish minority in Lower Saxony.
It's important to note that the usage of these languages and dialects has been declining in recent decades, with German becoming increasingly dominant. However, they remain an important part of the cultural heritage of Lower Saxony.