LNB

• Liga Nacional de Baloncesto, a professional basketball league in the Dominican Republic
• Liga Nacional de Básquetbol, an Argentine basketball league
• Liga Nacional de Básquetbol, a Paraguayan basketball league
• Ligue Nationale de Basket, the governing body of men's basketball in France
• Ligue Nationale de Basket (Switzerland), a Swiss professional basketball league

• Laredo National Bank, an American commercial bank
• Level of neutral buoyancy
• Low-noise block downconverter
• Mbalanhu dialect of the Ovambo language
• National Library of Latvia (Latvian: {{lang|lv|Latvijas Nacionālā bibliotēka}})

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