OLB

OLB may stand for:

• Oh Lord Buddha - Quotes related to Buddhism
• Olbia - Costa Smeralda Airport, IATA airport code
• Outside linebacker, a defensive position in American and Canadian football
• Object Language Bindings (SQL/OLB) - a standard for embedding SQL in Java
• Oldenburgische Landesbank - a German bank
• Online Bible
• Overpass Light Brigade - Series of illuminated (LED) signs used by activists and others. Each letter is held by a different person.
• Operation London Bridge
• Our Lady of the Bay Catholic High School, A Catholic High School In Collingwood, Ontario, Canada