ASG
- AS Gien
- ASG (band)
- ASG Technologies
- Abstract semantic graph
- Abu Sayyaf
- Albright Stonebridge Group
- All Saints Greek Orthodox Grammar School
- Alsager railway station
- American Society of Genealogists
- Ashburton Aerodrome
- Astronomical Society of Glasgow
- Australasian Seabird Group
- Australian Standard Garratt
- Austrian Standard German
- Avia Solutions Group
- Gomera Socialist Group
- Labour and Social Justice – The Electoral Alternative