SBD may refer to:

• Douglas SBD Dauntless, a World War II American naval scout plane and dive bomber
• San Bernardino International Airport, airport identifier code SBD
• Savings Bank of Danbury, a bank headquartered in Connecticut
• Schottky barrier diode
• Seaboard System Railroad, reporting mark SBD
• Secure by design, in software engineering, the principle of designing a program from the ground up to be secure
• Sell By Date, see Shelf life
• Sentence boundary disambiguation a natural language processing problem
• Short Burst Data, a communication protocol for the Iridium-Modem
• Silent but deadly, a term in Great Britain to describe a silent but pungent fart
  • Silent but Deadly, a 2011 movie
• Smart Battery Data, a method for monitoring a rechargeable battery pack
• Solomon Islands dollar, ISO 4217 currency code
• Soundboard (disambiguation), multiple meanings
• Abbreviation for the southbound direction of travel
• Stanley Black & Decker, an American manufacturer of industrial tools and household hardware
• Super battle droid, from the Star Wars fictional universe