Found 5 full forms for FNIS
| Term | Full Form | Category |
|---|---|---|
| FNIS | Fidelity National Information Services 
| Others |
| FNIS | Fidelity National Information Solutions
| Others |
| FNIS | Foreign National Information System
| Others |
| FNIS | Fores New Idles in Skyrim
| Others |
| FNIS | Fuzzy Negative Ideal Solution
| Others |