FSD
- Dirección Federal de Seguridad
- Faisalabad
- Female sexual dysfunction
- Ferndale School District
- File system driver
- Filer High School
- Flame supervision device
- Florida School for the Deaf
- Florida State
- Forensic Science
- Fourteen-segment display
- Fox Sports Detroit
- Framwellgate School Durham
- Frankenmuth School District
- Free Shipping Day
- Free Software Daily
- Free Software Directory
- Freedom Service Dogs
- Fremont School District (disambiguation)
- French School of Detroit
- Full scale deflection
- Full-stack developer
- Functional specifications document
- Hong Kong Fire Services Department
- Indian Dental Association
- Sioux Falls Regional Airport
- Sustainable Development
- Swiss Foundation for Mine Action
- Tesla Full Self-Driving
- The Free Software Definition