W4W
| Acronym | Definition |
|---|---|
| W4W | Women for Women (Women Seeking Women) |
| W4W | Word for Windows |
| W4W | Witness for Wellness (University of California, Los Angeles Health Services Research Center; Los Angeles, CA) |
| W4W | Whore for Whore (Myspace slang for exchanging links to increase followers) |
| W4W | Walk for Warmth (Michigan) |
| W4W | Women for Women International - Afghanistan |