VSD

VSD may refer to:


 * .vsd, a file extension for Microsoft Visio diagrams
 * VSD (French magazine) (Vendredi Samedi Dimanche; i.e. "Friday Saturday Sunday"), a French weekly news magazine
 * 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
 * Visible-surface determination, also known as hidden-surface determination
 * Video Single Disc, a video disc format based on laserdisc that only was popular in Japan and the rest of Asia
 * Voluntary Service Detachment, an Australian civil organization during World War II
 * State Security Department of Lithuania, a Lithuanian intelligence agency
 * Ventilation shutdown, a means of killing livestock

Medicine

 * Ventricular septal defect, a defect in the ventricular septum of the heart
 * Virtually safe dose, a concept in regulatory toxicology, applied to carcinogens with no threshold of effects

Places

 * Vallivue School District, a school district in Idaho, United States
 * Vancouver Public Schools, a school district in Vancouver, Washington, United States
 * Vancouver School District, a school district in Vancouver, British Columbia, Canada
 * Vicksburg-Warren School District, a school district based in Vicksburg, Mississippi, United States