FSV may refer to:
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Fidelity Special Values, a British investment trust
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File System Visualizer
File System Visualizer, also known as fsv, is a 3D file browser using OpenGL, written by Daniel Richard G. It is a clone of SGI's fsn file manager for IRIX systems, aimed to run on modern Linux and other Unix-like operating systems. While not ...
, a file manager for Linux and other Unix-like operating systems
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Fort St. Vrain Generating Station, in Colorado, United States
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M1131 fire support vehicle
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Fullskip Void, in Realm of the Mad God
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