LBV may refer to:
Late bottled vintage, a type of Port wine Luminous blue variable, a very bright, blue, hypergiant variable star Libreville International Airport (IATA: LBV), in Libreville, Gabon Line-break valve, a kind of valve in industry which closes automatically in occurrence of sudden pressure drop between its upstream and downstream Load-bearing vest Legion of Good Will, a Brazilian organization abbreviated as LBV (Legião da Boa Vontade) A World War 2 type craft; see A clothing brand founded by Joss Sackler