1, The full form of DFO is Department of Fisheries and Oceans. It’s used on Governmental ,Departments & Agencies in Canada

Fisheries and Oceans Canada, frequently referred to as Department of Fisheries and Oceans (DFO) is the department within 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 waters.

2, The full form of DFO is 1,8-Diazafluoren-9-one. It’s used on Academic & Science ,Chemistry in Worldwide

1,8-Diazafluoren-9-one, also known as DFO, is a chemical that is used to find fingerprints on porous surfaces. It makes fingerprints glow when they are lit by blue-green light.