FDD
FDD is an abbreviation for:
- Feature Driven Development , a process model of software development
- Financial due diligence
- Floppy disk drive , see floppy disk drive
- frequency division duplexing , a method in radio traffic, see duplex (communications engineering )
- Foundation for Defense of Democracies , an American institute based in Washington DC
- Questionnaire for the diagnosis of depression according to DSM-IV (FDD-DSM-IV, FDD for short)
- Frenti Dezenvolvimentu Demokratieiku , a coalition of parties in East Timor
