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 (German: Bundesamt für Lebensmittelsicherheit und Veterinärwesen), a Swiss federal agency
• Scott Air Force Base and MidAmerica St. Louis Airport, Belleville, Illinois (IATA code)