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
- Load bearing vest, an individual integrated fighting system
- Line Break Valve, a kind of valve in industry which closes automatically in occurrence of sudden pressure drop between its upstream and downstream
- Lake Buena Vista, home of Walt Disney World.
- A World War 2 type craft; see Type B ship § Landing Barge, Vehicle
- A clothing brand founded by Joss Sackler