| Acronym | Definition |
|---|
| TSIC➣Take Stock in Children |
| TSIC➣Tropical Sportswear International Corp |
| TSIC➣Telia Sonera International Carrier (Sweden) |
| TSIC➣Technical Session Improvement Committee (IEEE Power Engineering Society) |
| TSIC➣Tactical Sensor Integration Capability |
| TSIC➣Temperature Sensor Integrated Circuit (technology climate control) |