SF
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| SF | Safe | - | Organizations |
| SF | Directorate) | - | Organizations |
| SF | Safe | - | Organizations |
| SF | Safety Factor | - | Organizations |
| SF | Scale Factor | - | Organizations |
| SF | Selection Filter | - | Organizations |
| SF | Signaling Frequency | - | Organizations |
| SF | Sliding Filter | - | Organizations |
| SF | Star Field | - | Organizations |
| SF | Static Firing | - | Organizations |
| SF | Subcontractor Furnished | - | Organizations |
| SF | Science Fiction | - | ISO Country Codes |
| SF | Surfer Friendly | - | ISO Country Codes |
| SF | Fleet Submarine (retired US Navy Hull Classification) -San Francisco - Science Fiction -South Africa (FIPS 10-4 Country Code) -Speculative Fiction - Special Forces | - | Astronomy |