FD
- FDA – (i) Food and Drug Administration (U.S.)
- FDC – (i) Federal Detention Center (U.S.) – Fire Direction Centre
- FDDI – (i) Fibre Distributed Data Interface
- FDBK – (I) Feedback
- FDR – (i) Flight Data Recorder – Franklin Delano Roosevelt
Read more about this topic: List Of Acronyms And Initialisms: F