| Abbreviation | Definition |
|---|---|
| WARP | Witness Anonymous Relocation Program |
| WAS | With Aliases |
| WGCN | Wildlife of Greatest Conservation Need |
| WLM | Women Liberation Movement |
| WLMBE | When Letter May Be Expected |
| WRMBE | When Report May Be Expected |
| WSTA | White Slave Traffic Act |
| XGDS | Exemption from General Declassification Schedule |
| Z5 | Zebra 5s |