TDU

TDU may stand for:


 * Test Drive Unlimited, a 2006 racing computer game
 * Tour Down Under, a cycling competition in Australia
 * Teamsters for a Democratic Union, a movement to reform the Teamsters labor union
 * Trash disposal unit, a life support system on submarines
 * Institute of Trans-Disciplinary Health Sciences and Technology, a private university in India
 * Tokyo Denki University, a private university in Japan