DB

DB, dB or db may refer to:

Arts, entertainment and media

 * Daily Bugle or DB, a fictional New York City newspaper in Marvel Comics
 * Doing Business Report, by the World Bank Group

Music

 * D♭ (musical note)
 * DB Records, Atlanta, Georgia, US
 * The dB's, a band in the 1980
 * DJ DB, a New York–based British DJ

Brands and enterprises

 * DB (car), a French automobile maker
 * Brit Air (IATA airline code)
 * DB Breweries, a New Zealand company
 * DB Networks, an American information security firm
 * Deutsche Bahn, a German railway company since 1994
 * Deutsche Bank (NYSE symbol), a multinational investment bank headquartered in Frankfurt, Germany
 * Deutsche Bundesbahn, national railway company of the Federal Republic of Germany, 1949-1994
 * Dolderbahn, a rack railway in Zürich, Switzerland

Places

 * Dâmbovița County (ISO 3166-2:RO code), Romania
 * DB Draw, a bridge over the Passaic River, US
 * Discovery Bay, a residential development in Hong Kong
 * Dobyns-Bennett High School, Kingsport, Tennessee, US

Science and technology

 * Database (DB), an organized collection of data on a computer system.
 * .db, file extension for some database files
 * Decibel (dB), acoustics and electronics unit
 * Dubnium, symbol Db, a chemical element
 * dyne:bolic, a Linux distribution
 * dry bulb, a temperature definition

Other uses

 * ȸ, the db-digraph a ligature of "d" and "b" in African linguistics
 * Defensive back, a position in American football and Canadian football
 * Defined benefit pension plan, a scheme for retirement plans
 * double-breasted, a style of garment with wide, overlapping front flaps
 * State Security Service (FR Yugoslavia) (DB), Serbian secret police