| automobile | car |
| Automobile familiale | Seven-seater saloon |
| Automobili Turismo e Sport | Automobili Turismo e Sport |
| automobilisme | motoring |
| Automobilistes | Car drivers |
| Automodulation de phase | Self-phase modulation |
| automoteur | self-propelled |
| Automotrice à grande vitesse | Automotrice à grande vitesse |
| Automutilation | Self-injury |
| autoneige | snowmobile |
| Autonepiophilie | Diaper lover |
| autonome | self-contained |
| Autonomic computing | Autonomic Computing |
| autonomie | self-sufficiency |
| autonomisation | empowerment |
| Autonoé | Autonoe |
| Autonymes | Autonym |
| Autopartage | Car-sharing |
| autophoto | selfie |
| autopont | overpass |
| autoportrait | self-portrait |
| autoproclamé | self-proclaimed |
| autopropulsé | self-propelled |
| autopsie | inquest |
| autopublication | self-publishing |
| autorisant | authorizing |
| autorisation | consent |
| autorisation administrative | administrative fiat |
| autoriser | accredit |
