TDB

TDB may refer to:


 * Barycentric Dynamical Time (Temps Dynamique Barycentrique), a time standard
 * The Daily Beast, a news site
 * The Daily Buzz
 * The Division Bell, a Pink Floyd album
 * Trade and Development Bank, a multilateral African development financial institution
 * Trade Development Bank, a former Geneva-based bank, now defunct
 * Trivial Database, database engine
 * United Nations Conference on Trade and Development (UNCTAD)'s Trade and Development Board
 * TDB, An Australian HipHop Artist