LLR

LLR may refer to:


 * LLR 81mm, a type of mortar used by the French Army
 * Lars Løkke Rasmussen, a Danish politician from Venstre, who served as Prime Minister 2009-2011 and again 2015-2019
 * Lender of last resort, banking term
 * Loan Loss Reserve, banking term
 * Local Light Rum, a regional rum, freely available, predominantly found in tropical, sub-tropical locales
 * Leukaemia & Lymphoma Research
 * Lloyd's Law Reports
 * Log-likelihood ratio
 * Lucas–Lehmer–Riesel test, an algorithm to find the primality of a number of the form k*2n-1
 * Lunar laser ranging
 * Link Light Rail, metro based in Seattle