DPL may refer to:

• The Debian Project Leader, head of the Debian Linux distribution
• Driver: Parallel Lines, the fourth game in the Driver video game series
• Diagnostic peritoneal lavage, a procedure used to determine whether blunt trauma victims require surgery
• Democratic Party (Luxembourg), a liberal political party
• Dolby Pro Logic, a surround sound processing technology
• Descriptor Privilege Level, the highest CPU resource access level
• DPL, Inc., a utility company in West Central Ohio
• Dipolog Airport, located in the Philippines
• Denver Public Library, located in Colorado
• Delmarva Power and Light Company, a subsidiary of Pepco Holdings
• The FAA identifier for Duplin County Airport
• Dipped Products Limited , a manufacturer of non-medical rubber gloves
• designated place, a Canadian census designation for unincorporated communities in the 100-1,000 population range
• Dunedin Public Libraries in New Zealand

Dpl may refer to:

• Doppel, a prion-like protein.

dpl may refer to:

• .dpl, the filename extension of Borland software libraries