VSD

VSD may refer to:

• Vaccine Safety Datalink, a Centers for Disease Control database containing vaccination and health records of over 7 million Americans
• Variable speed drive, or adjustable-speed drive, is a specific type of a variable-frequency drive
• VSD (French magazine) (Vendredi Samedi Dimanche; i.e. "Friday Saturday Sunday"), a French weekly news magazine
• Ventricular septal defect, a defect in the ventricular septum of the heart
• Video Single Disc, a video disc format based on laserdisc that only was popular in Japan and the rest of Asia
• Virtually safe dose, a concept in regulatory toxicology, applied to carcinogens with no threshold of effects
• .vsd, a file extension for Microsoft Visio diagrams
• Visible surface determination, also known as Hidden surface determination
• Victory Star Destroyer, a fictional ship in the Star Wars universe

Places

• Vancouver School District, a school district in Vancouver, British Columbia, Canada
• Vancouver Public Schools, a school district in Vancouver, Washington, United States
• Vallivue School District, a school district in Idaho, United States