LRU Views 11 meanings found LRU commonly denotes a line‑replaceable unit in aerospace and military maintenance, a cache‑replacement policy called least recently used in computing, and various legislative or regulatory briefing publications. Miscellaneous Lets Run Unix Line Replacement Unit Community Legislative & Regulatory Update Governmental Logistics Review Unit Line Replaceable Unit Legislative Research Unit International Ley de Reforma Universitaria Academic & Science Lowest Replaceable Unit Regional Las Cruces, New Mexico USA Computing Least Recently Used Business Less Ribbon Used