| Dohmo 2152101 | an individual | 9 Electronics | Pending | 2021 |
| DOOM 1717104 · TMA1039871 | Id Software LLC | 41 Education | Registered | 2019 |
| DOM 1618058 · TMA877649 · design | Dom International Limited | 29 Meat30 Coffee | Registered | 2014 |
| DOM 1405499 · TMA771846 | Alberta Petroleum Industries Ltd. | 7 Machines37 Construction40 Treatment+1 | Registered | 2010 |
| DOM 1393329 · TMA770161 · design | DOM INTERNATIONAL LTD. | 29 Meat | Registered | 2010 |
| DOOM 0767837 · TMA456292 · design | Id Software LLC a Delaware limited liability company | 9 Electronics | Registered | 1996 |
| DOOM 0767042 · TMA447165 | Id Software LLC a Delaware limited liability company | 9 Electronics16 Paper | Registered | 1995 |
| DOOM 2244706 · design | ZeniMax Media Inc. | 6 Metal9 Electronics14 Jewellery+7 | Pending | 2023 |
| DOOM 2244676 | ZeniMax Media Inc. | 6 Metal9 Electronics14 Jewellery+7 | Pending | 2023 |
| DOM. 2026125 | SANI AT HOME INC. a legal entity | 5 Pharmaceuticals | Pending | 2020 |
| DOM 2025795 | SANI AT HOME INC. a legal entity | 5 Pharmaceuticals | Pending | 2020 |
| Dohomi 2098869 · TMA1190547 | Hangzhou Shixing Trading Co. Ltd. | 20 Furniture | Registered | 2023 |
| DAIOHM 1841077 · TMA1078635 | GLAXO GROUP LIMITED | 5 Pharmaceuticals44 Medical | Registered | 2020 |
| DHOOM 1663318 · TMA930639 | Yash Raj Films Pvt. Ltd. | 41 Education | Registered | 2016 |
| DOIMO 1019593 · TMA554907 | an individual | 20 Furniture35 Advertising36 Finance+3 | Registered | 2001 |
| DHOOM 2361380 | Owner not listed | 32 Beer43 Restaurants | Pending | 2024 |
| DOMMI 2233506 | Shenzhen Disheng Network Technology Co. LTD. | 15 Musical | Pending | 2023 |
| DOWNY 2273562 · TMA1260271 · design | The Procter & Gamble Company | 3 Cosmetics | Registered | 2024 |
| DAWN 2252182 · TMA1263332 | Owner not listed | 11 Lighting | Registered | 2024 |
| Domee 2231452 · TMA1253989 | Shanghai Qingyun Trading Company Limited | 25 Clothing | Registered | 2024 |
| DUNE 2228765 · TMA1252835 · design | an individual | 19 Building | Registered | 2024 |
| Dtown 2228472 · TMA1265524 | Xiamen Haodun Trading Co. Ltd. | 18 Leather | Registered | 2024 |
| DYMO 2223651 · TMA1255015 | an individual | 6 Metal7 Machines9 Electronics+3 | Registered | 2024 |
| DYAN 2218931 · TMA1248363 · design | Livewell Investments Inc. | 25 Clothing35 Advertising | Registered | 2024 |
| 3DM 2190745 · TMA1217621 | DSB Technologies, LLC | 7 Machines | Registered | 2024 |