| Abbreviation | Definition |
|---|---|
| FSO | Floor Support Officer |
| FSO | Frito Services Officer |
| FSR | Fiberglass Stain Remover |
| FSR | Field Service Representative |
| FSR | Financial Sales Representative |
| FSR | Free Spectral Range |
| FSR | Fully Sampled Region |
| FST | Food Safety Training |
| FT | Fortune Teller |
| FT | Full Time |
| FT | Functional Trainer |
| FTA | Full Time Artist |
| FTE | Full Time Employee |
| FTE | Full Time Equivalent |
| FTF | Fast Track Finder |
| FTFI | Face-To-Face Interview |
| FTFP | Full-Time First Professional |
| FTFY | Full Time, Full Year |
| FTM | Freight Traffic Manager |
| FTM | Full Time Manual |