| RENHANU 2014320 · TMA1127339 | GLAXO GROUP LIMITED | 5 Pharmaceuticals | Registered | 2022 |
| ROMAN 2210974 · TMA1224666 | ROMAN, INC. | 11 Lighting20 Furniture28 Toys | Registered | 2024 |
| ROAMAN 1964726 · TMA1133089 | SONA Dental Canada Inc. | 3 Cosmetics21 Housewares35 Advertising | Registered | 2022 |
| ROMAN 1934526 · TMA1146238 | Roman Health Ventures, Inc. | 35 Advertising38 Telecommunications42 Science+1 | Registered | 2022 |
| ROMAN 1869268 · TMA1074518 · design | Shenzhen Roman Technology Co. Ltd. | 9 Electronics | Registered | 2020 |
| RONIN 1627175 · TMA914027 | 7960727 Canada Inc. | 9 Electronics | Registered | 2015 |
| RANMAN 0812834 · TMA701302 | ISHIHARA SANGYO KAISHA, LTD. | 5 Pharmaceuticals | Registered | 2007 |
| ROMAN 0544701 · TMA328416 | Flowers Bakeries Brands, LLC | 30 Coffee | Registered | 1987 |
| ROMAN 2326027 | ROMAN PRODUCTS, LLC | 1 Chemicals2 Paints8 Hand+1 | Pending | 2024 |
| Ronin 2299175 | Ronin GmbH | 9 Electronics42 Science | Pending | 2023 |
| RONYN 2054314 · design | an individual | 9 Electronics36 Finance | Pending | 2020 |
| RAINHAM 1635051 · TMA939690 | Masonite International Corporation | 6 Metal19 Building | Registered | 2016 |
| RENMANO 0463410 · TMA263845 | Accolade Wines Australia Limited | 33 Wine | Registered | 1981 |
| REHNAN 2085776 · TMA1168713 | an individual | 35 Advertising | Registered | 2023 |
| RENOWN 1925405 · TMA1123309 | Home Depot U.S.A., Inc. | 1 Chemicals3 Cosmetics5 Pharmaceuticals+8 | Registered | 2022 |
| RENOWN 1925404 · TMA1105382 | Home Depot U.S.A., Inc. | 5 Pharmaceuticals | Registered | 2021 |
| RENOWN 1925403 · TMA1136106 | Home Depot U.S.A., Inc. | 4 Oils | Registered | 2022 |
| RENEN 1915030 · TMA1093430 | NINGBO JINYU ELECTRICAL APPLIANCE CO. LTD | 11 Lighting | Registered | 2021 |
| RENIN 1867979 · TMA1129415 | Renin Holdings LLC | 6 Metal17 Rubber19 Building+4 | Registered | 2022 |
| ROWNYEON 1826871 · TMA1008238 · design | Guangzhou Luose Trade Co.Ltd | 21 Housewares | Registered | 2018 |
| ROMANI 1811677 · TMA1013990 · design | an individual | 19 Building27 Carpets | Registered | 2019 |
| RENOWN 1778636 · TMA989599 | TRIPLE E CANADA LTD. | 12 Vehicles | Registered | 2018 |
| RenAM 1778536 · TMA1012665 | RENISHAW PLC | 7 Machines40 Treatment42 Science | Registered | 2019 |
| RENOWN 1122030 · TMA626811 | RIDLEY USA INC. | 5 Pharmaceuticals | Registered | 2004 |
| RENOWN 0990648 · NFLD648 | IMPERIAL OIL LIMITED | 4 Oils | Registered | 1917 |