BLV

BLV may refer to:


 * BLV Verlag, a German publisher
 * Bavarian Localbahn Society, a heritage railway operator
 * Bovine leukemia virus
 * Federal Office for Food Safety and Veterinary Affairs (Bundesamt für Lebensmittelsicherheit und Veterinärwesen), a Swiss federal agency
 * Scott Air Force Base and MidAmerica St. Louis Airport, Belleville, Illinois (IATA code)