| Density, Distance, and Terrain | Academic & Science |
| Dichloro Diphynl Trichloroethane | Academic & Science |
| Dillards, Inc., Capital Trust I | Business |
| DataDot Technology, LTD. | Business |
| Dichlorodiphenyltrichloroethane | Chemistry |
| Dichloro Diphenyl Trichlorethane | Chemistry |
| Dono Disto Tudo | Community |
| Drug Development Tool | Community |
| Depth, Detail, and Timbre | Community |
| Dramatic Dream Team | Community |
| D Development Tools | Community |
| Drug Development Tools | Community |
| Dynamic DNS (Domain Naming System) Tool | Computing |
| Dynamic Debugging Technique | Computing |
| Dec Debugging Tape | Computing |
| Data Driven Targeting | Computing |
| Data Definition Tool | Computing |
| Diagnostic Determination Technology | Computing |
| DAR | Cryptocurrency |
| Dynamic Debug for Trident | Electronics |
| Divine Dance Troupe | General |
| Directors Discretionary Time | General |
| Dynamic Debugging Tool | General |
| Dwalk Dwith Telias | General |
| Diethyl Diphenyl Trichloromethane | General |
| Delta the Dichlorodiphenyl Trichloroethane | General |
| Dynamic Desktop Themes | General |
| Doki Doki Tunneling | General |
| Dancing Dead Things | General |
| Durable Denver Tick | General |
| Drop Dead Twice | General |
| Damien's Dinner Time | General |
| Driver Development Track | General |
| Daily Driving Time | General |
| Defensive Driver Training | General |
| Diagnostic Development Tool | General |
| Dacia Dealer Team | General |
| Double Dual Tandem | General |
| Dynamic Driving Task | General |
| David D Thomas | General |
| Dig Darsini Tika | General |
| Damien Derek Trotter | General |
| Dofkas Destruction Theory | General |
| Decoy, Distract, and Trash | General |
| Damn Devastating Terror | General |
| Daffy Definition Thursday | General |
| Doom Depot Team | General |
| Ding Dong Tong | General |
| Damian's Death Trap | General |
| Desperate Devil Trigger | General |
| Dead Tying Toad | General |
| Training Destroyer (Destroyer, Destroyer, Training) | General |
| D dopachrome tautomerase | General |
| Dark Dirigible Titan | General |
| Dichloro Diphenyl Trichloro | General |
| Definition of DDT The | General |
| Distributed Debugging Tool | General |
| Data Driven Tests | General |
| Dichloro Diphenyl Trichloroethanedichlorodiphenyltrichloroethane | General |
| Director Discretionary Time | General |
| Documento Di Trasporto | General |
| Deflagration-to-Detonation Transition | Governmental |
| Dichloro Diphenyl Trichloromethylmethane | Governmental |
| DADDA NETTA | Indian Railway Station |
| Don't Do That | Internet |
| Don | Internet Chat |
| Dirty Dream Tonight | Messaging |
| Distributed Decision-aid Tool | Military and Defence |
| Drift Dash Technique | Military and Defence |
| Digital Data Transfer | Networking |
| Dividend Distribution Tax | Rules |
| Data Driven Testing | Softwares |
| Dynamic Dns Tools | Softwares |
| Dead Drop Time | Sports |
