| Acronym | Definition |
|---|
| SPLL➣Software Phase-Locked Loop (control system) |
| SPLL➣Self-Propelled Loader/Launcher (rocket system) |
| SPLL➣Single Parent Love Life (website) |
| SPLL➣South Plymouth Little League (Massachusetts) |
| SPLL➣Self Propelled Launcher Loader |
| SPLL➣South Pasadena Little League (South Pasadena, CA) |
| SPLL➣South Portage Little League (Portage, MI) |