| Acronym | Definition |
|---|
| ATWA➣Air, Trees, Water, Animals (System of a Down song) |
| ATWA➣All The Way Alive |
| ATWA➣Across the World Adoptions |
| ATWA➣Association on Third World Affairs, Inc. |
| ATWA➣Access to Work Adviser (UK) |
| ATWA➣Adirondack Three-Style Wrestling Association |
| ATWA➣Amalgamated Textile Workers of America |
| ATWA➣Anacostia Watershed Toxics Alliance |
| ATWA➣Albrecht-Tuckermann-Wohnanlage |
| ATWA➣Assistive Technology Warranty Act |
| ATWA➣Adventure Tours Western Australia |
| ATWA➣Austin Women's Tennis Association (Texas) |