DB

• Daily Bugle or DB, a fictional New York City newspaper in Marvel Comics
• Doing Business Report, by the World Bank Group
• Dragon Ball, a Japanese media franchise

Music

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

• 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

• 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

• 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
• dry basis, a way to measure percentages of components in a chemical composition

• 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 Directorate (Serbia), Serbian secret police
• North Sulawesi (vehicle registration prefix DB)