FDE
FDE may refer to:

 Federal Directorate of Education, an agency of the Pakistani government
 Førde Airport, Bringeland, in Norway
 Førde Airport, Øyrane, in Norway, closed in 1986
 FrameMaker Development Environment, part of Adobe FrameMaker
 Fetch, Decode, Execute in Computer Science.
 Full disk encryption
 Fear-death experience
 Fifons Des Environs
 Flat Dark Earth, a color
 Fault Detection and Exclusion
 Future Design Europe