| Acronym | Definition |
|---|
| LSU➣Louisiana State University |
| LSU➣La Sierra University |
| LSU➣Lavoratori Socialmente Utili (Italian: Socially Useful Workers) |
| LSU➣Load Store Unit (computing) |
| LSU➣Large Subunit |
| LSU➣La Salle University (Philadelphia, PA) |
| LSU➣Load Source Unit |
| LSU➣Line Server Unit |
| LSU➣Leningrad State University (Russia) |
| LSU➣Learning Support Unit |
| LSU➣Link State Update (OSPF) |
| LSU➣Liverpool Students' Union (UK) |
| LSU➣Leyte State University (formerly Visayas State College of Agriculture) |
| LSU➣Laerdal Suction Unit |
| LSU➣Lambda Sigma Upsilon (Latino fraternity) |
| LSU➣Language Support Unit (various locations) |
| LSU➣La Sainte Union (London) |
| LSU➣Laser Scanning Unit |
| LSU➣Landing Ship Utility |
| LSU➣Loughborough Students' Union (UK) |
| LSU➣Life Support Umbilical (US NASA) |
| LSU➣Loran Support Unit (USCG) |
| LSU➣Life Support Unit |
| LSU➣LAN Service Unit |
| LSU➣Loan Status Update |
| LSU➣Labor Service Unit |
| LSU➣Laboratoire de Spectroscopie Ultrarapide (French: Ultrafast Spectroscopy Laboratory; Switzerland) |
| LSU➣Line State Unknown (Cisco) |
| LSU➣Life Savers Underground |
| LSU➣Local Synchronization Utility |
| LSU➣Launcher Selector Unit |