TDWG
| Acronym | Definition |
|---|---|
| TDWG | Taxonomic Databases Working Group (IUBS Commission) |
| TDWG | Tools Database Working Group (International Council on Systems Engineering; resources) |
| TDWG | Top-Down Modelling Working Group (Prediction in Ungauged Basins) |
| TDWG | The Doug Williams Group, Inc. (management consulting; Florida) |