LFU
LFU is an abbreviation for:
- Least frequently used , an algorithm from computer science
- Leopold Franzens University Innsbruck in Austria
- Leichtflugtechnik Union GmbH , manufacturer of the German experimental aircraft LFU 205
LfU is an abbreviation for:
- Bavarian State Office for the Environment , a state authority from Bavaria
- State Institute for Environmental Protection Baden-Württemberg , today: State Institute for Environment, Measurements and Nature Conservation Baden-Württemberg