| RUINTEN 1689511 · TMA922932 · design | Stone Brewing Co. | 25 Clothing32 Beer | Registered | 2015 |
| RUINATION 1689494 · TMA915160 | Stone Brewing Co. | 32 Beer | Registered | 2015 |
| RUNTIME 1691823 · TMA933713 | Decisive Farming Corp. | 9 Electronics37 Construction42 Science | Registered | 2016 |
| RUNTONE 1459651 · TMA785508 | Reebok International Limited | 25 Clothing | Registered | 2010 |
| RENTOWN 1118853 · TMA582508 | goeasy Ltd. | 35 Advertising39 Transport | Registered | 2003 |
| RENTOWN 0686290 · TMA410087 · design | goeasy Ltd. | 35 Advertising | Registered | 1993 |
| RYNATAN 0244697 · TMA111668 | Meda Pharmaceuticals Inc. | 5 Pharmaceuticals | Registered | 1958 |
| RNATION 1976232 | Ottawa Redblacks Limited Partnership | 9 Electronics14 Jewellery16 Paper+8 | Pending | 2019 |
| RAINTUNES 1955157 · TMA1165166 | an individual | 3 Cosmetics9 Electronics11 Lighting | Registered | 2023 |
| RHINOTANK 1586509 · TMA889504 | Rhinokore Composites Solutions LP | 6 Metal19 Building20 Furniture | Registered | 2014 |
| RHINOTUNING 2176055 · TMA1222420 | an individual | 12 Vehicles | Registered | 2024 |
| Remedium 2175635 · TMA1226242 | Fides Enterprise Inc | 3 Cosmetics11 Lighting21 Housewares | Registered | 2024 |
| RENUTEND 2168429 · TMA1257770 | Boehringer Ingelheim Vetmedica GmbH | 5 Pharmaceuticals | Registered | 2024 |
| 9ROUNDNOW 2141415 · TMA1201518 | 9Round Franchising, LLC | 9 Electronics38 Telecommunications41 Education | Registered | 2023 |
| 9ROUNDNOW 2141414 · TMA1201517 · design | 9Round Franchising, LLC | 9 Electronics38 Telecommunications41 Education | Registered | 2023 |
| ROMIETIME 2126178 · TMA1188620 · design | Hangzhou Xingdakang Technology Co. Ltd. | 5 Pharmaceuticals | Registered | 2023 |
| REMOTENATIVE 2122248 · TMA1167215 | CTPR, LLC | 42 Science | Registered | 2023 |
| Ramodin 2111969 · TMA1192722 | Dongguan Zhishirenren Trading Co. Ltd. | 9 Electronics | Registered | 2023 |
| REMIDEMI 2069929 · TMA1142946 | an individual | 12 Vehicles | Registered | 2022 |
| Rondanimo 2015655 · TMA1119673 | DJECO | 28 Toys | Registered | 2022 |
| RAINDANCE 2014254 · TMA1145575 | Bloom Fresh International Limited | 31 Fresh | Registered | 2022 |
| RENDANHEYI 1948270 · TMA1124562 · design | Qingdao Haishang Zhicai Management Consulting Co. Ltd. | 35 Advertising | Registered | 2022 |
| RONDNOIR 1933704 · TMA1136124 | an individual | 30 Coffee | Registered | 2022 |
| RYMTANLI 1909675 · TMA1091178 | an individual | 5 Pharmaceuticals | Registered | 2021 |
| RONDINAUD 1773521 · TMA972220 | Owner not shown | 25 Clothing | Registered | 2017 |