TUD

TUD can refer to:


 * Tud, a village in Iran
 * Darmstadt University of Technology (Technische Universität Darmstadt)
 * Delft University of Technology (Technische Universiteit Delft)
 * Dresden University of Technology (Technische Universität Dresden)
 * Technical University of Denmark
 * Tobacco use disorder
 * Technological University Dublin
 * PSA TUD engine, the diesel variant of a family of car engines