DPO

DPO may refer to:

Economics

 * Data protection officer, a corporate officer responsible for data protection under the EU's General Data Protection Regulation
 * Days payables outstanding, in finance
 * Detrended price oscillator, an indicator in financial technical analysis
 * Direct public offering, a method by which a business can offer an investment opportunity to the public

Entertainment

 * "D.P.O." (The X-Files), a 1995 episode of The X-Files
 * Dayton Philharmonic Orchestra
 * Dublin Philharmonic Orchestra

Other

 * Dame of the Pontifical Order of Pius IX, female variant of a class in one of the orders of knighthood of the Holy See
 * Democratic Party of Oregon
 * Department of Peace Operations, a United Nations department in charge of peacekeeping
 * Devonport Airport, IATA code
 * Digital Phosphor Oscilloscope, a type of electronic test instrument
 * Double pushout graph rewriting, in computer science
 * Discontinued post office
 * Diplomatic post office, a mailing addresses for diplomatic missions of the United States