What does DDN stand for?

Dale Denning Inc., Oxford, MD - Manufacturer code for watercraft hull identification number (USCG)

Data Defense Network (SAUS)

Data Delivery Notice (ADWA)

Decumentation Development Notification (SAUS)

Dedicated Digital Network - Military technology (DDF)

Deep Draft Navigation - Type of water project

Defense Data Network

Defense Department Network (SAUS)

Defense Digital Network (ACAE)

Defuse Data Network (SAUS)

Delta Downs - Australia - Airport symbol - Obsolete (OAG)

Design Decision Notice (MCD)

Design-Drafting-Numerical Control - Automotive engineering

Devis Directeurs Nationaux - Canada (DD)

Digital Data Network

Diploma de Droit Notarial - Canada (DD)

Distributed Data Node (ACAE)

Documentation Development Notification (KSC)

Documented Discount Notes - Banking

Dynamex, Inc. - AMEX symbol (SPSG)

Dunedin (SAUS)