FISU
| Acronym | Definition |
|---|---|
| FISU | Federation Internationale du Sport Universitaire |
| FISU | Fill in Signal Unit |
| FISU | Fill-In Signal Unit |
| FISU | Foundation for International Spiritual Unfoldment |
| FISU | Fundamentet for International Spirituel Udfoldelse (Danish: Foundation of International Spiritual Unfolding) |