| Acronym | Definition |
|---|
| SEN➣Senior |
| SEN➣Senator |
| SEN➣Special Educational Needs (UK education system) |
| SEN➣Sensitivity (Groundwater Modeling Systems) |
| SEN➣Senegal (ISO Country code) |
| SEN➣Statement of Educational Needs (UK) |
| SEN➣Sony Entertainment Network |
| SEN➣Sistema Eléctrico Nacional (Spanish: National Electric System; various locations) |
| SEN➣Submerged Entry Nozzle (steel manufacturing) |
| SEN➣Save Energy Now (various locations) |
| SEN➣Sustainable Energy Network (various locations) |
| SEN➣Social Entertainment Network |
| SEN➣System Event Notification |
| SEN➣Software Engineering Notebook |
| SEN➣Sociedad Española de Neurología (Spanish Society of Neurology) |
| SEN➣Solidarity Economy Network |
| SEN➣Software Engineering Notes |
| SEN➣Southern Energy Network (climate change advocacy; various locations) |
| SEN➣State Enrolled Nurse |
| SEN➣Student Environment Network (Canada) |
| SEN➣Sports Entertainment Network |
| SEN➣Small Extension Node |
| SEN➣Satellite Education Network |
| SEN➣Secretary of Energy Notice |
| SEN➣Société des Eaux du Nord (French: Northern Waters Company; est. 1912) |
| SEN➣subependymal nodule |
| SEN➣Staredit Network (gaming) |
| SEN➣standard enteral nutrition |
| SEN➣Scalp-Ear-Nipple Syndrome |
| SEN➣System Evaluation Network |
| SEN➣System Engineering Note |