| DICK 1881639 · TMA1085568 | Friedr. Dick GmbH & Co. KG | 7 Machines8 Hand21 Housewares | Registered | 2020 |
| DISHI 1837193 · TMA1078045 · design | DRRK FOODS PVT LTD | 30 Coffee | Registered | 2020 |
| DISHI 1836208 · TMA1078040 | DRRK FOODS PVT LTD | 30 Coffee | Registered | 2020 |
| DIKI 1833739 · TMA1010872 | Shenzhenshi Yangmao Internationl E-Commerce Co.Ltd | 21 Housewares | Registered | 2018 |
| DISC 1419373 · TMA827961 · design | Inscape Publishing, Inc. | 9 Electronics16 Paper35 Advertising+1 | Registered | 2012 |
| DICKIE 1378961 · TMA737850 | DICKIE-SPIELZEUG GmbH & Co. KG | 28 Toys | Registered | 2009 |
| DISCO 1229202 · TMA664684 · design | DISCO CORPORATION | 7 Machines | Registered | 2006 |
| DISCS 1008954 · TMA551914 | LifeStyles Healthcare Pte Ltd | 10 Medical | Registered | 2001 |
| DISCO 0633028 · TMA371037 · design | DISCO CORPORATION | 7 Machines | Registered | 1990 |
| DICI 0408051 · TMA235771 · design | CANADELLE LIMITED PARTNERSHIP | 25 Clothing | Registered | 1979 |
| DICI 0378623 · TMA207059 | CANADELLE LIMITED PARTNERSHIP | 25 Clothing | Registered | 1975 |
| DICI 0376624 · TMA211791 | CANADELLE LIMITED PARTNERSHIP | 25 Clothing | Registered | 1976 |
| DICI 0371401 · TMA204867 | CANADELLE LIMITED PARTNERSHIP | 25 Clothing | Registered | 1975 |
| DISI 2266805 | Owner not listed | 25 Clothing | Pending | 2023 |
| DISCO 2130097 | Mastermind Inc. | 38 Telecommunications41 Education42 Science | Pending | 2021 |
| DISC 0902009 | KITCHENER-WATERLOO HOSPITAL | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1985 |
| DAIICHI 0675686 · TMA394340 | Angler Sport Group, L.L.C. (a New York limited liability company) | 28 Toys | Registered | 1992 |
| Dookeh 2337014 · TMA1273273 | Dookeh Trade LLC | 14 Jewellery25 Clothing | Registered | 2024 |
| DECO 2271624 · TMA1266078 | Owner not listed | 11 Lighting | Registered | 2024 |
| DTOCS 2270941 · TMA1223946 | Owner not listed | 8 Hand21 Housewares35 Advertising | Registered | 2024 |
| Dachgo 2264477 · TMA1283399 | Shenzhen Xingchuan Technology Co. Ltd. | 28 Toys | Registered | 2025 |
| DOUGHY 2255855 · TMA1273151 · design | Doughy LLC | 30 Coffee35 Advertising | Registered | 2024 |
| DOGOO 2253643 · TMA1271597 | an individual | 11 Lighting | Registered | 2024 |
| DIWEISHI 2248243 · TMA1267303 | Shenzhen Diweishi Industrial Co. LTD | 9 Electronics | Registered | 2024 |
| DTC 2246979 · TMA1265895 · design | Owner not listed | 21 Housewares | Registered | 2024 |