| YERSE 2195141 · TMA1220022 · design | an individual | 35 Advertising | Registered | 2024 |
| YR1SW 2024252 · TMA1134047 · design | Year 1 Sportswear Inc. | 25 Clothing | Registered | 2022 |
| YERSE 1999502 · TMA1116561 · design | an individual | 35 Advertising | Registered | 2021 |
| YERSE 1778867 · TMA1008661 · design | an individual | 25 Clothing | Registered | 2018 |
| YARIS 1174762 · TMA655615 | TOYOTA JIDOSHA KABUSHIKI KAISHA (ALSO TRADING AS TOYOTA MOTOR CORPORATION) | 12 Vehicles | Registered | 2005 |
| YERSE 2319674 · design | an individual | 18 Leather25 Clothing | Pending | 2024 |
| YORXS 2211094 | an individual | 14 Jewellery42 Science | Pending | 2022 |
| YORK1 2141003 · TMA1207494 · design | York Group Holdings LP | 37 Construction39 Transport40 Treatment+1 | Registered | 2023 |
| YIERSO 2135986 · TMA1198918 | HONG KONG MAX COMPANY LIMITED | 9 Electronics | Registered | 2023 |
| YORIEK 2119764 · TMA1184216 | Owner not shown | 9 Electronics | Registered | 2023 |
| YORK1 2119608 · TMA1207428 | York Group Holdings LP | 37 Construction39 Transport40 Treatment+1 | Registered | 2023 |
| YORKY 1986113 · TMA1202251 · design | C.P.L. Soccer Holdings LP | 6 Metal9 Electronics14 Jewellery+13 | Registered | 2023 |
| 40 0 YEARS 1936355 · TMA1136895 · design | Cardinal Couriers Ltd. | 39 Transport | Registered | 2022 |
| YAROSI 1928323 · TMA1134494 | Hazaplan Limited | 5 Pharmaceuticals10 Medical | Registered | 2022 |
| YERIKYU 1914266 · TMA1117322 · design | HUIZHOU SHENGXINRONG HARDWARE PRODUCT CO. LTD. | 14 Jewellery | Registered | 2022 |
| YORK 1908280 · TMA1107801 | Tyco Fire & Security GmbH | 7 Machines9 Electronics11 Lighting | Registered | 2021 |
| YIREGO 1877307 · TMA1103394 | Yirego Corp. | 3 Cosmetics5 Pharmaceuticals7 Machines+3 | Registered | 2021 |
| YOURYYC 1875026 · TMA1182289 | THE CALGARY AIRPORT AUTHORITY a body corporate incorporated under the Regional Airports Authorities Act (Alberta) | 8 Hand9 Electronics14 Jewellery+10 | Registered | 2023 |
| YRG 1869090 · TMA1076642 | Y R G, Inc. | 7 Machines37 Construction | Registered | 2020 |
| YORK 1740820 · TMA1043805 | Tyco Fire & Security GmbH | 37 Construction | Registered | 2019 |
| YORK 1740759 · TMA985748 | Tyco Fire & Security GmbH | 40 Treatment | Registered | 2017 |
| YURRKU 1715000 · TMA942329 | YURRKU LLC | 3 Cosmetics18 Leather21 Housewares+2 | Registered | 2016 |
| YORK 1685284 · TMA908413 | York Wallcoverings, Inc. | 16 Paper27 Carpets | Registered | 2015 |
| YRC 1445712 · TMA784289 · design | Yellow Corporation | 35 Advertising39 Transport | Registered | 2010 |
| YRC 1348235 · TMA712782 | Yellow Corporation | 35 Advertising39 Transport | Registered | 2008 |