VSD
# 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
* Victory Star Destroyer, a fictional class of ship in the Star Wars universe
* 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
