| Kill Doakimo Dog | ♂ | 2012 | – | – | JR70002KLP | ♂ Noonbarra Will | ♀ Noonbarra Brynn |
| Killer Rebell Represent | ♂ | 2024 | CZ | Rebell Represent (Kristýna Nozarová Přibylová) | CMKU/AKE/921/24 | ♂ Galileo Kelpiebrink | ♀ Drug Mafia Rebell Represent |
| Kindred Spirit Rebell Represent | ♀ | 2024 | CZ | Rebell Represent (Kristýna Nozarová Přibylová) | CMKU/AKE/928/24 | ♂ Galileo Kelpiebrink | ♀ Drug Mafia Rebell Represent |
| King of Chaos Rebell Represent | ♂ | 2024 | CZ | Rebell Represent (Kristýna Nozarová Přibylová) | CMKU/AKE/922/24 | ♂ Galileo Kelpiebrink | ♀ Drug Mafia Rebell Represent |
| King Xapatán | ♂ | 2015 | CZ | – | CMKU/AKE/336/15 | – | ♀ Fidži Xapatán |
| Kip Doakimo Dog | ♂ | 2012 | – | – | JR70003KLP | ♂ Noonbarra Will | ♀ Noonbarra Brynn |
| Kiri Xapatán | ♀ | 2015 | CZ | – | CMKU/AKE/339/15 | – | ♀ Fidži Xapatán |
| Kissy Xxapatán | ♀ | 2015 | CZ | – | CMKU/AKE/340/15 | – | ♀ Fidži Xapatán |
| Knight Rider Rebell Represent | ♂ | 2024 | CZ | Rebell Represent (Kristýna Nozarová Přibylová) | CMKU/AKE/923/24 | ♂ Galileo Kelpiebrink | ♀ Drug Mafia Rebell Represent |
| Knock Out Rebell Represent | ♂ | 2024 | CZ | Rebell Represent (Kristýna Nozarová Přibylová) | CMKU/AKE/924/24 | ♂ Galileo Kelpiebrink | ♀ Drug Mafia Rebell Represent |
| Kodiak Rebell Represent | ♂ | 2024 | CZ | Rebell Represent (Kristýna Nozarová Přibylová) | CMKU/AKE/925/24 | ♂ Galileo Kelpiebrink | ♀ Drug Mafia Rebell Represent |
| Kongo Black Mount Mckinkey | ♂ | 2018 | CZ | – | CMKU/AKE/489/18 | ♂ Sheep Scare's Guyro | ♀ Defy Blue Mount Mckinkey |
| Kony Xapatán | ♀ | 2015 | CZ | – | CMKU/AKE/341/15 | – | ♀ Fidži Xapatán |
| Kopets Chocolate Dingo | ♂ | 2011 | – | – | SE51404/2011 | – | ♀ Kopets Aqva |
| Kopets Don Xulo | ♂ | 2011 | – | – | SE51405/2011 | – | ♀ Kopets Aqva |
| Kopets Red And Tan Darwin | ♂ | 2011 | SE | – | SE51402/2011 | ♂ Tomolga Poetry in Motion | ♀ Kopets Aqva |
| Kopets Red And Tan Dreami | ♀ | 2011 | – | – | SE51400/2011 | – | ♀ Kopets Aqva |
| Kopets Red And Tan Dundee | ♂ | 2011 | – | – | SE51403/2011 | – | ♀ Kopets Aqva |
| Kvigbetets Jack | ♂ | 2019 | – | – | AS50608/2019 | ♂ Örjagarden's Sharkbite | ♀ Easytimes Daisy |