| Rank | Abbreviation | Meaning |
|---|
| ***** | TTLS | Twinkle Twinkle Little Star
| |
| *** | TTLS | Tunneled Transport Layer Security
| |
| * | TTLS | Transistor Transistor Logic Schottky
| |
| * | TTLS | Task Team Leaders
| |
| * | TTLS | Tunneling Two-Level System
| |
| * | TTLS | Through The Lens
| |
| * | TTLS | Triangular Theory of Love Scale
| |
| * | TTLS | Tunnelled Transport Layer Security
| |
| * | TTLS | Transportable Transponder Landing System
| |
| * | TTLS | Truncated Total Least Squares
| |
| * | TTLS | the Transport Layer Security
| |
| * | TTLS | Taking Teaching and Learning Seriously
| |
| * | TTLS | Team-Training Launch Station
| |
| * | TTLS | Trivial Transport Layer Security
| |
| * | TTLS | Truax Traer Little Sister
| |
| * | TTLS | Taking Teaching Learning Seriously
| |
| * | TTLS | Tribal Trust Lands
| |
| * | TTLS | Transfer Tank Longitudinal Sealer
| |
| * | TTLS | Tunnel Transparent Layer Security
| |