APG
- APG (pension fund)
- APG Airlines
- ASEAN Power Grid
- Aberdeen Proving Ground
- Aboriginal Provisional Government
- Adams Publishing Group
- Alkyl polyglycoside
- Ambulatory Patient Group
- Android Privacy Guard
- André-Pierre Gignac
- Angiosperm Phylogeny Group
- Annealed pyrolytic graphite
- Anterior pituitary gland
- Arc pair grammar
- Artist Placement Group
- Asia/Pacific Group on Money Laundering
- Aspley Guise railway station
- Assists per game
- Associated petroleum gas
- Association of Professional Genealogists
- Association of South East Asian Nations
- Atlas of Peculiar Galaxies
- Austrian Power Grid
- Automated Password Generator
- Automatic platform gate
- Philippines AirAsia
- Phillips Army Airfield