| Acronym | Definition |
|---|
| UUL➣Universal Uranium Ltd. (mineral exploration; Vancouver, British Columbia, Canada) |
| UUL➣United Uranium Limited (Australia) |
| UUL➣Unison United Left |
| UUL➣Uppsala University Library (Finland) |
| UUL➣Unilateral Ureteral Ligation |
| UUL➣Utsunomiya University Library (Utsunomiay, Japan) |
| UUL➣Unlimited User License |