| D&N | Datsun and Nissan 
| Others |
| D/N | Day & Night
| Others |
| DN | A Double Numerical
| Others |
| DN | Dadra and Nagar Haveli, Dadra & Nagar Haveli
| Union Territory |
| DN | Dagens Nyheter
| Others |
| DN | Daily News
| Others |
| DN | Daisuke Niwa
| Others |
| DN | Data Number
| Others |
| DN | De Novo
| Others |
| DN | Deadly Nightshade
| Others |
| DN | Death Note
| Others |
| DN | Debit Note
| Others |
| DN | Deep National
| Others |
| DN | Delivery Note
| Others |
| DN | Democracy Now
| Others |
| DN | Demyelinating Neuropathy
| Others |
| DN | Dentalman
| Others |
| DN | Dentate Nucleus
| Others |
| DN | Denver Field Office
| Others |
| DN | Department N
| Others |
| DN | Department Name
| Others |
| DN | Dependency Neglect
| Others |
| DN | Designated Numbers
| Others |
| DN | Desktop Notebook
| Others |
| DN | Detected Neighbor
| Others |
| DN | Detroit New
| Others |
| DN | Detroit News
| Others |
| DN | Developer Network
| Others |
| DN | Deviation Notice
| Others |
| DN | Device Number
| Others |
| DN | DeviceNet
| Others |
| DN | Devs Network
| Others |
| DN | Diabetic Nephropathy
| Others |
| DN | Dial Nigel
| Others |
| DN | Diameter Nominal
| Others |
| DN | Diameter of Nozzle
| Others |
| DN | Dibucaine Number
| Others |
| DN | Digha Nikaya
| Others |
| DN | Digital Nomad
| Others |
| DN | Digital Nonsecure
| Others |
| DN | Digital Number
| Others |
| DN | Digital Numbers
| Others |
| DN | Diploma in Nursing
| Others |
| DN | Diploma in Nutrition
| Others |
| DN | Directory Number
| Others |
| DN | Disciplinary Notice
| Others |
| DN | Discrepancy Notice
| Others |
| DN | Discussion Note
| Others |
| DN | Distance Number
| Others |
| DN | Distinguished Name
| Others |
| DN | Distinuished Name
| Others |
| DN | District Nurse
| Others |
| DN | Divisive Normalization
| Others |
| DN | Doar Na
| Others |
| DN | Doctor of Naprapathic Medicine
| Others |
| DN | Doctor of Naprapathy
| Others |
| DN | Doctor of Nursing
| Others |
| DN | Domain Node
| Others |
| DN | Dominant Negative
| Others |
| DN | Dominus Noster
| Others |
| DN | Dong Neng
| Others |
| DN | Donor Number
| Others |
| DN | Dos Navigator
| Others |
| DN | Double Negation
| Others |
| DN | Double Negative
| Others |
| DN | Double Nose
| Others |
| DN | Double Number
| Others |
| DN | Douglis Nirenberg
| Others |
| DN | Drafting Note
| Others |
| DN | Dragon Nest
| Others |
| DN | Du Nervst
| Others |
| DN | Dueling Network
| Others |
| DN | Duke Nukem
| Others |
| DN | Duplex Network
| Others |
| DN | Dynamic Name
| Others |
| DN | Dysplastic Naevus
| Others |
| DN | Nominal Diameter
| Others |
| DN | Numerical Distribution
| Others |