| Abbreviation | Definition |
|---|---|
| DLRC | Dog Lovers Registration Club |
| DMX | Dog Master X |
| DOD | Dumb Old Dog |
| DODR | Dogs on Death Row |
| DOGS | Dog Owners Group of Sacramento |
| DOGS | Dog Owners Group Sydney |
| DOL | Dog Off Leash |
| DOLA | Dog Owners Liability Act |
| DOOG | Dog Owners Outdoor Gear |
| DOOW | Dogs of Our World |
| DOPA | Dog Obedience Protection Academy |
| DOR | Drop On Recall |
| DOTC | Dog Owners Training Club |
| DOTM | Dog Of The Month |
| DOTY | Dog Of The Year |
| DP | Dog Pound |
| DPCD | Doberman Pinscher Club of Dallas |
| DPCM | Doberman Pinscher Club of Missouri |
| DRBS | Dog River Business Solutions |
| DRCAS | Disaster Relief Canine Assistance Services |