| Acronym | Sense | Language | Topics |
|---|---|---|---|
| AM | Asocia Membro | In Esperanto | → Organizations and associations |
| AM | Actuator Mechanism | In English | |
| AM | Aeromedical Monitor | In English | → Medicine → Aeronautics, aircraft |
| AM | Airlock Module | In English | → Aeronautics, aircraft → Astronautics |
| AM | Alpha Meter | In English | |
| AM | Amplitude Modulated/Modulation | In English | |
| AM | Antenna Management | In English | → Management |
| AM | Assurance Management | In English | → Management |
| AM | Ante meridiem | In Latin | |
| AM | Akcija Mladih (www.akcijamladih.org) | In Croatian | → Political parties and movements |
| AM | Asset Management | In English | → Management |