##### Wikipedia

### LLR

**LLR** may refer to:

- LLR 81mm, a type of mortar used by the French Army
- Lender of last resort, banking term
- Leukaemia & Lymphoma Research
- Log-likelihood ratio
- Lucas-Lehmer-Riesel test, an algorithm to find the primality of a number of the form k*2-1
- Lunar laser ranging