WETT
| Acronym | Definition |
|---|---|
| WETT | Whole Effluent Toxicity Testing (various organizations) |
| WETT | Wood Energy Technology Training (training organization in Canada for wood heat technicians; since mid 1980s) |
| WETT | Water Energy Technology Team (Lawrence Berkeley National Laboratory; California) |
| WETT | Warlpiri Education and Training Trust (Australia) |
| WETT | Wood Energy Technical Transfer, Inc. (Canada) |