| Aari | |
| Aasáx | |
| Abadi | |
| Abaga | |
| Abai Sungai | |
| Abanyom | |
| Abau | |
| Abaza | |
| Abé | |
| Abenaki, Eastern | |
| Abenaki, Western | |
| Abidji | |
| Abinomn | |
| Abipon | |
| Abishira | |
| Abkhaz | |
| Abom | |
| Abon | |
| Abron | |
| Abu | |
| Abua | |
| Abui | |
| Abun | |
| Abure | |
| Abureni | |
| Aceh | |
| Achagua | |
| Achang | |
| Ache | |
| Aché | |
| Acheron | |
| Achi | |
| Acholi | |
| Achterhoeks | |
| Achuar-Shiwiar | |
| Achumawi | |
| Acipa, Eastern | |
| Acroá | |
| Adabe | |
| Adamorobe Sign Language | |
| Adang | |
| Adangbe | |
| Adara | |
| Adasen | |
| Adele | |
| Adhola | |
| Adi | |
| Adi, Galo | |
| Adioukrou | |
| Adithinngithigh | |
| Ethnologue Primary Language Names |