| 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) |