| Acronym | Definition |
|---|
| RSNA➣Radiological Society of North America, Inc. |
| RSNA➣Rosemont-Summit Neighborhood Association (West Linn, OR) |
| RSNA➣Robust Security Network Association |
| RSNA➣Renal Sympathetic Nerve Activation |
| RSNA➣Renal Sympathetic Nervous Activity |
| RSNA➣Rally Series of North America (motorsports) |