Found 5 full forms for W4
| Term | Full Form | Category |
|---|---|---|
| W4 | Internal Revenue Service Income Tax Withholding statement 
| Others |
| W4 | Waiting For
| Others |
| W4 | What for....
| Others |
| W4 | World Wide Web Weaver for MacIntosh
| Others |
| W4 | WWWW-FM, FM-102.9, Ann Arbor, Michigan
| Others |