| Impostor Izzy Devil of Highland | ♀ | 2021 | CZ | – | CMKU/AKE/662/21 | – | ♀ Cheeky Chucky Devil of Highland |
| Impressive Inesse Dai Muratori | ♀ | 2021 | CZ | – | CMKU/AKE/677/21 | – | ♀ Yacatis Hasty-Daydream |
| Indeed Divine A.B of Chocolate Dynamite | ♀ | 2016 | – | – | LOS 741129 | ♂ Attack Black Mount Mckinkey | ♀ Birri's Last One of Chocolate Dynamite |
| Indy´s Image Dai Muratori | ♀ | 2021 | CZ | – | CMKU/AKE/678/21 | – | ♀ Yacatis Hasty-Daydream |
| Inge Black Mount Mckinkey | ♀ | 2017 | CZ | Marcela Nováková | ČMKU/AKE/438/17 | ♂ Suthenskys Shamelesstar C.C.D. | ♀ Catrina Black Mount Mckinkey |
| Irie Isis Devil of Highland | ♀ | 2021 | CZ | – | CMKU/AKE/664/21 | – | ♀ Cheeky Chucky Devil of Highland |
| Irish Connemara Red Radimus | ♀ | 2013 | – | – | – | – | ♀ Pl.J.Ch. Ch.Pl, Jww13, J.Ch.Hu. C.I.B. C.I.E. Red Dublin Kelpiebrink |
| Irish Tullamore Dew Red Radimus | ♀ | 2013 | – | – | – | – | ♀ Pl.J.Ch. Ch.Pl, Jww13, J.Ch.Hu. C.I.B. C.I.E. Red Dublin Kelpiebrink |
| Irony of Fate Rebell Represent | ♀ | 2023 | CZ | Rebell Represent (Kristýna Nozarová Přibylová) | CMKU/AKE/792/23 | ♂ Aero Messi C.J. Cleverly Crazy | ♀ Drug Mafia Rebell Represent |
| Ishigos Akira | ♀ | 2015 | DE | – | VDH 15/13500154 | – | ♀ Evallens Black & Tan Ishigo |
| Ishigos Anouk | ♀ | 2015 | DE | – | VDH 15/13500155 | – | ♀ Evallens Black & Tan Ishigo |
| It&It Jrch Intch Sloch Black River Kennel Insomnia | ♀ | 2016 | – | – | LO16110653 | – | – |
| I´m Itty-Bitty Yoni Devil of Highland | ♀ | 2021 | CZ | – | CMKU/AKE/661/21 | – | ♀ Cheeky Chucky Devil of Highland |
| Jaenela Kelpiebrink | ♀ | 2021 | NL | – | NHSB3224893 | – | ♀ Femke Caobrink |
| Jaimie Xapatan | ♀ | 2014 | CZ | – | CMKU/AKE/282/14 | – | ♀ Foxy Xapatán |
| Jakari Dai Muratori | ♀ | 2023 | CZ | – | CMKU/AKE/819/23 | – | ♀ Hasty´s Hope Dai Muratori |
| Jata Black Mount Mckinkey | ♀ | 2017 | CZ | Marcela Nováková | ČMKU/AKE/448/17 | ♂ Apple Brown Rebell Represent | ♀ Fatal Black Mount Mckinkey |
| Javelin ATGM Rebell Represent | ♀ | 2023 | CZ | Rebell Represent (Kristýna Nozarová Přibylová) | CMKU/AKE/857/23 | ♂ Empathic Commander Rebell Represent | ♀ Arrogant Grey Di Casa Hesselink |
| Jessie Brown Mount Mckinkey | ♀ | 2017 | CZ | – | CMKU/AKE/449/17 | ♂ Apple Brown Rebell Represent | ♀ Fatal Black Mount Mckinkey |
| Jessie Dai Muratori | ♀ | 2023 | CZ | – | CMKU/AKE/820/23 | – | ♀ Hasty´s Hope Dai Muratori |
| Jessie Xapatan | ♀ | 2014 | CZ | – | CMKU/AKE/277/14 | – | ♀ Foxy Xapatán |
| Jet Kelpiebrink | ♀ | 2019 | NL | – | NHSB3153187 | – | ♀ Morrigan Kelpiebrink |
| Jewel Dai Muratori | ♀ | 2023 | CZ | – | CMKU/AKE/821/23 | – | ♀ Hasty´s Hope Dai Muratori |
| Jimboomba Djalu | ♀ | 2026 | NL | – | NHSB3379733 | – | ♀ Jimboomba Whoopee Dreams Come True |
| Jimboomba Karmeliet Brewed With Patience | ♀ | 2026 | NL | – | NHSB3379732 | – | ♀ Jimboomba Whoopee Dreams Come True |
| Jimboomba Lightning Salto | ♀ | 2026 | NL | – | NHSB3379731 | – | ♀ Jimboomba Whoopee Dreams Come True |
| Jimboomba Power of Amber Stone | ♀ | 2026 | NL | – | NHSB3379730 | – | ♀ Jimboomba Whoopee Dreams Come True |
| Jimboomba Run To Me | ♀ | 2026 | NL | – | NHSB3379729 | – | ♀ Jimboomba Whoopee Dreams Come True |
| Jimboomba Whoopee Dreams Come True | ♀ | 2018 | NL | – | NHSB3142014 | – | – |
| Jo-Jo Black Mount Mckinkey | ♀ | 2017 | CZ | – | CMKU/AKE/450/17 | ♂ Apple Brown Rebell Represent | ♀ Fatal Black Mount Mckinkey |
| Joke for Mind Rebell Represent | ♀ | 2023 | CZ | Rebell Represent (Kristýna Nozarová Přibylová) | CMKU/AKE/858/23 | ♂ Empathic Commander Rebell Represent | ♀ Arrogant Grey Di Casa Hesselink |
| Jolly Jasmine Kimbilio | ♀ | 2024 | CZ | Helena Kučerová | ČMKU/AKE/917/24 | ♂ Hilarious Hachicco Kimbilio | ♀ Gentle Geekii Kimbilio |
| Jolly Jorika Kimbilio | ♀ | 2024 | CZ | Helena Kučerová | ČMKU/AKE/919/24 | ♂ Hilarious Hachicco Kimbilio | ♀ Gentle Geekii Kimbilio |
| Jolly Junia Kimbilio | ♀ | 2024 | CZ | Helena Kučerová | ČMKU/AKE/920/24 | ♂ Hilarious Hachicco Kimbilio | ♀ Gentle Geekii Kimbilio |
| Jovie Journey Devil of Highland | ♀ | 2023 | CZ | – | CMKU/AKE/797/23 | – | ♀ Chimi Changa Devil of Highland |
| Joyce Dai Muratori | ♀ | 2023 | CZ | – | CMKU/AKE/822/23 | – | ♀ Hasty´s Hope Dai Muratori |
| Joytis Black Mount Mckinkey | ♀ | 2017 | CZ | – | CMKU/AKE/453/17 | ♂ Apple Brown Rebell Represent | ♀ Fatal Black Mount Mckinkey |
| Julissa Black Mount Mckinkey | ♀ | 2017 | CZ | – | CMKU/AKE/451/17 | ♂ Apple Brown Rebell Represent | ♀ Fatal Black Mount Mckinkey |
| Jumbo Roxy Xapatán | ♀ | 2014 | CZ | Jiří Tancer | ČMKU/AKE/279/14 | ♂ Vinny | ♀ Foxy Xapatán |
| Jumbo Roxy Xpatan | ♀ | 2014 | – | – | – | – | ♀ Foxy Xapatán |
| Jupa Black Mount Mckinkey | ♀ | 2017 | CZ | – | CMKU/AKE/452/17 | ♂ Apple Brown Rebell Represent | ♀ Fatal Black Mount Mckinkey |
| Karana Alice | ♀ | 2010 | AU | – | WKC53913 | ♂ Boanong Buster | ♀ Karana Bonnie IV |
| Karrawarra Blondie | ♀ | 2010 | AU | Karrawarra | WKCA3F-18727-10 | – | – |
| Karrawarra Bonnie III | ♀ | 2011 | AU | Karrawarra | WKCA3-21487-11 | – | – |
| Karrawarra Dora | ♀ | 2010 | AU | Karrawarra | WKCA3F-20279-10 | – | – |
| Karrawarra Dot II | ♀ | 2010 | AU | Karrawarra | WKCA3F-18744-10 | – | – |
| Karrawarra Fanny | ♀ | 2010 | AU | Karrawarra | WKCA3F-18748-10 | – | – |
| Karrawarra Flirt | ♀ | 2010 | AU | Karrawarra | WKCA3F-18739-10 | – | – |
| Karrawarra Fly | ♀ | 2010 | AU | Karrawarra | WKCA3F-20278-10 | – | – |
| Karrawarra Gem | ♀ | 2010 | AU | Karrawarra | WKCA2F-19016-10 | – | – |