| DYNASEAL 1971652 · TMA1250518 | DePuy Synthes, Inc. | 41 Education | Registered | 2024 |
| DYNASELECT 1691957 · TMA916262 | DYNAenergetics US, Inc. | 7 Machines9 Electronics13 Firearms | Registered | 2015 |
| DYNASOL 1531827 · TMA912473 · design | DYNASOL ELASTOMEROS, S.A. a Spanish joint stock company | 1 Chemicals17 Rubber | Registered | 2015 |
| DYNACOIL 0549238 · TMA340089 | ASCO GROUP LIMITED | 25 Clothing | Registered | 1988 |
| DYNACEL 0423659 · TMA267626 | ESRMCO, Inc. | 9 Electronics12 Vehicles | Registered | 1982 |
| DYNAKIL 0392771 · TMA241721 | Wood Wyant Canada Inc. | 3 Cosmetics5 Pharmaceuticals | Registered | 1980 |
| DYNASOL 0198217 · UCA29476 | SUN LUBRICANTS AND SPECIALTY PRODUCTS INC. | 4 Oils | Registered | 1948 |
| DONGLI 2256083 · TMA1274700 · design | Longkou Dongli Wire and Cable Co.,Ltd. | 7 Machines9 Electronics11 Lighting | Registered | 2024 |
| DINOSOLES 2245573 · TMA1267096 · design | KCGLOBIZ CO. LTD | 25 Clothing | Registered | 2024 |
| DONGLAIYE 2204333 · TMA1240078 | Shanghai Donglaiye Brand Management Co., Ltd. | 9 Electronics | Registered | 2024 |
| DENOSYL 2183931 · TMA1216446 | NUTRAMAX LABORATORIES, INC. | 5 Pharmaceuticals | Registered | 2023 |
| DEANGELMON 2167576 · TMA1213512 | an individual | 25 Clothing | Registered | 2023 |
| DINGLES 2145631 · TMA1201772 | Secret Pirates Entertainment Inc. | 9 Electronics16 Paper21 Housewares+3 | Registered | 2023 |
| DYNACELLECT 2141789 · TMA1184355 | Life Technologies Corporation | 9 Electronics11 Lighting | Registered | 2023 |
| DINCEL 2125312 · TMA1224346 | an individual | 19 Building | Registered | 2024 |
| DINKLEBOO 2121046 · TMA1198788 · design | Eastmon Pty Ltd | 9 Electronics16 Paper | Registered | 2023 |
| DIMACOOL 2072776 · TMA1191546 | Dimachem Inc. | 1 Chemicals4 Oils | Registered | 2023 |
| DENSILINK 2057729 · TMA1130032 | AMPHENOL CORPORATION | 9 Electronics | Registered | 2022 |
| DIMACLEAN 2043121 · TMA1146868 | Dimachem Inc. | 3 Cosmetics | Registered | 2022 |
| DENSILOX 2000650 · TMA1188051 | CeramTec GmbH | 1 Chemicals10 Medical35 Advertising+3 | Registered | 2023 |
| DYNACLEAN 1966068 · TMA1264646 | AS America, Inc. | 11 Lighting | Registered | 2024 |
| DIAMASOLE 1932838 · TMA1129552 | Diamabrush LLC | 21 Housewares | Registered | 2022 |
| DINICLEAN 1880539 · TMA1094776 · design | NOAM URIM ENTERPRISES (1993) LTD | 3 Cosmetics | Registered | 2021 |
| DUNSLEY 1866967 · TMA1060528 | Delta Faucet Company | 11 Lighting | Registered | 2019 |
| DNASalute 1863329 · TMA1070555 | Hong Kong Cytogenetics and Medical Genetics Centre Limited | 1 Chemicals5 Pharmaceuticals10 Medical+1 | Registered | 2020 |