WSEC
| Acronym | Definition |
|---|---|
| WSEC | Washington State Energy Code |
| WSEC | World Sustainable Energy Coalition |
| WSEC | Wisconsin Small Engine Consortium (Engine Research Center; University of Wisconsin-Madison; Madison, WI) |
| WSEC | Walter Scott Engineering Center (University of Nebraska; Lincoln, NE) |
| WSEC | Wuhan Securities Exchange Centre (China) |
| WSEC | Weapon System Essentiality Code (logistics classification system; US DoD) |