| SIE | a Spanish mackerel of western North America |
|---|---|
| SIE | a range of mountains (usually with jagged peaks and irregular outline) |
| SIE | a republic in West Africa |
| SIE | monetary unit in Sierra Leone |
| SIE | a native or inhabitant of Sierra Leone |
| SIE | a native or inhabitant of Sierra Leone |
| SIE | of or relating to Sierra Leone or its people |
| SIE | tall subspecies of lodgepole pine |
| SIE | a mountain range in northwestern Mexico that runs south from Arizona parallel to the Pacific coastline |
| SIE | a mountain range in northeastern Mexico the runs parallel to the coastline of the Gulf of Mexico |
| SIE | a mountain range in eastern California |
| SIE | a mountain range in southern Spain along the Mediterranean coast east of Granada |