DFO may refer to:

Businesses and organizations

Dairy Farmers of Ontario Dairy Farmers of Ontario (DFO), is the marketing organization and regulatory body representing over 4,000 dairy farmers in Ontario, Canada. DFO was formerly known as the Ontario Milk Marketing Board (OMMB), which was established as result of the ...

, Canada *

Department of Fisheries and Oceans Fisheries and Oceans Canada (DFO; ) is a department of the Government of Canada that is responsible for developing and implementing policies and programs in support of Canada's economic, ecological and scientific interests in oceans and inland ...

, Canada * Direct Factory Outlet, Australia * German Women's Order (''Deutscher Frauenorden'' or DFO), merged into the

National Socialist Women's League The National Socialist Women's League (, abbreviated ''NS-Frauenschaft'') was the women's wing of the Nazi Party. It was founded in October 1931 as a fusion of several nationalist and Nazi women's associations, such as the German Women's Order ( ...

Science

1,8-Diazafluoren-9-one 1,8-Diazafluoren-9-one (DFO) is an aromatic ketone first synthesized in 1950. It is used to find fingerprints on porous surfaces. It makes fingerprints glow when they are lit by blue-green light. DFO reacts with amino acids present in the fingerp ...

, a chemical that reveals fingerprints *

Deferoxamine Deferoxamine (DFOA), also known as desferrioxamine and sold under the brand name Desferal, is a medication that binds iron and aluminium. It is specifically used in iron overdose, hemochromatosis either due to multiple blood transfusions or an ...

, medication for iron overdose *

Dispersive flies optimisation Dispersive flies optimisation (DFO) is a bare-bones swarm intelligence algorithm which is inspired by the swarming behaviour of flies hovering over food sources. DFO is a simple optimiser which works by iteratively trying to improve a candidate s ...

, a swarm intelligence algorithm

Other uses

* ''

Dungeon Fighter Online ''Dungeon Fighter Online'', known in South Korea as ''Dungeon & Fighter'', is a multiplayer beat 'em up action role-playing game, developed and published for personal computers by Neople, a South Korean subsidiary of Nexon, and originally publi ...

'', a 2009 computer game {{disambiguation