AGL may refer to:
AGL Energy (ASX: AGL), a publicly–listed Australian company, provides energy products and services to the Australian economy.
Aglow International is an interdenominational organization of Christian women and men. Formerly known as Women's Aglow Fellowship, it has more than 200,000 members meeting together each month through local Aglow groups in 171 nations.
Aglaonema is a genus of flowering plants in the arum family, Araceae. They are native to tropical and subtropical regions of Asia and New Guinea.
The similar scavenger species Aglossa cuprina, formerly misidentified as Aglossa pinguinalis, is most commonly known as the "grease moth".
Agloe is a fictional hamlet in Colchester, Delaware County, New York, that became an actual landmark after mapmakers made up the community as a "copyright trap".
Aglaophyton major was the sporophyte generation of a diplohaplontic, pre-vascular, axial, free-sporing land plant of the Lower Devonian (Pragian stage, around 410 million years ago).