| Abbreviation | Definition |
|---|---|
| INP | Individual Nurse Provider |
| INP | International Nursing Program |
| INPS | Iowa Nurse Practitioner Society |
| INR | International Nursing Review |
| INSB | International Nursery School Belgrade |
| INWC | Idaho Nursing Workforce Center |
| IONA | Integrative Oncology Nurse Advocate |
| IPN | Intervention Project for Nurses |
| IPNA | Irish Practice Nurses Association |
| IQN | Internationally Qualified Nurse |
| IRNN | Irish Research Nurses Network |
| ISNA | Indiana State Nurses Association |
| ISNA | International School Nurses of Asia |
| ISNAP | Indiana State Nurse Assistance Program |
| ISNAP | Indiana State Nurses Assistance Program |
| ISNAP | Indiana State Nursing Assistance Program |
| ISNAP | The Indiana State Nurses Assistance Program |
| ISPN | International Standards for Professional Nurses |
| ITN | In The Nursery |
| ITNS | International Transplant Nurses Society |