- Action Message Format, a proprietary protocol for object remoting.
- Ammanford railway station, from its National Rail code.
- Arab Monetary Fund.
- Adios, Mother Fucker, a mixed drink variant of the Long Island iced tea.
- Autorité des marchés financiers, a financial institution supervising the French financial market, or its Quebec counterpart that shares the same name.
- Attacking midfielder, in Association Football.
- Australian Militia Force, a forerunner to the Australian Army Reserve.
- Afghan Military (or Militia) Force, the American name for Afghan soldiers from Hamid Karzai's government, or from local militias allied to Afghanistan's central government.