ITFS
| Acronym | Definition |
|---|---|
| ITFS | Instructional Television Fixed Service |
| ITFS | Instructional Tv Fixed Service |
| ITFS | International Toll Free Services |
| ITFS | International Transfer Factor Society (immunoregulators) |
| ITFS | Irish Tropical Fish Society (Ireland) |
| ITFS | Infant Toddler Family Specialist (credential) |