| Abbreviation | Definition |
|---|---|
| FACS | Facial Action Coding System |
| FACS | Fellow of the American College of Surgeons |
| FADIR | Flexion, adduction and internal rotation |
| FADIR | Flexion, ADduction, and Internal Rotation |
| FADIRE | Flexion, adduction, internal rotation and extension |
| FAE | Fetal Alcohol Effects |
| FAFP | Family Academy of Family Physicians |
| FAFP | Florida Academy of Family Physicians |
| FAFP | France Avenue Family Physicians |
| FAG | Facial Aging Gas |
| FAI | Femoral Acetabular Impingement |
| FAI | First Aid Injury |
| FAK | Focal Adhesion Kinase |
| FAM | Foot And Mouth |
| FAMS | Functional Assessment of Multiple Sclerosis |
| FAPA | Future Aggie Physician Assistants |
| FART | Fractally Activated Rectal Turbosity |
| FART | Frequency Actuated Rectal Tremor |
| FAS | Fetal Alcohol Syndrome |
| FAS | Front Arm Squeeze |