:BTO

• Bhitaura railway station (station code BTO), Fatehganj Pashchimi, Bareilly, Uttar Pradesh, India
• Botopasi Airstrip (IATA airport code: BTO), Botopasi, Suriname

• Barium titanate (formally BaTiO), a compound with the formula BaTiO₃
• Bismuth titanate (formally BiTiO), a set of compounds with varying formulae [ Bi₁₂TiO₂₀ or Bi₄Ti₃O₁₂ or Bi₂Ti₂O₇ ]

• Bachman–Turner Overdrive, a Canadian rock band
• Boston Typewriter Orchestra, a musical comedic performing group
• British Trust for Ornithology
• Brussels Treaty Organisation, an organisation established to implement the 1948 Treaty of Brussels

• BRENDA tissue ontology, an encyclopedia of enzyme sources
• Build to order, an order-fulfillment strategy
• Build to order (HDB), a purchasing arrangement for new Singapore Housing Development Board apartments
• Rinconada Bikol language (ISO 639-3 language code: bto)
• Bachman-Turner Overdrive (1973 album), the debut studio album by the band of the same name
• Bachman-Turner Overdrive (1984 album), their second self-titled album

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• B2 (disambiguation)

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