WTLS
| Acronym | Definition |
|---|---|
| WTLS | Wireless Transport Layer Security |
| WTLS | West Tennessee Legal Services (non-profit law firm; Jackson, TN) |
| WTLS | Wireless Transaction Layer Security (Wireless Application Protocol) |
| WTLS | West Texas Library System (Lubbock, TX) |
| WTLS | Wireless Telephony Layer Security (encryption method) |