Authors
| Name | First name | Last name |
|---|---|---|
| Valeri Kopchev | Valeri | Kopchev |
| Petya Koprinkova | Petya | Koprinkova |
| Mariusz Kordowski | Mariusz | Kordowski |
| Haluk Korkmazyürek | Haluk | Korkmazyürek |
| Oleksandr Korneyko | Oleksandr | Korneyko |
| Vitalii Kornieiev | Vitalii | Kornieiev |
| A. Korobkine | A. | Korobkine |
| Joni Korpihalkola | Joni | Korpihalkola |
| Dilian Korsemov | Dilian | Korsemov |
| Anna Kortcheva | Anna | Kortcheva |
| Noluxolo Kortjan | Noluxolo | Kortjan |
| Dominika Kosárová | Dominika | Kosárová |
| Rafał Kościej | Rafał | Kościej |
| Mutlu Koseli | Mutlu | Koseli |
| Lynet Kosgey | Lynet | Kosgey |
| Hristo Koshutanski | Hristo | Koshutanski |
| Yuliia Koskina | Yuliia | Koskina |
| Johan Koskinen | Johan | Koskinen |
| Jarkko Kosonen | Jarkko | Kosonen |
| Katerina Kostadinova | Katerina | Kostadinova |
| Iva Kostadinova | Iva | Kostadinova |
| Nevena Kostova | Nevena | Kostova |
| Hayk Kotanjian | Hayk | Kotanjian |
| Hossam Kotb | Hossam | Kotb |
| Lucija Kotromanović | Lucija | Kotromanović |
| Panos Kotsampopoulos | Panos | Kotsampopoulos |
| T. Kotsev | T. | Kotsev |
| Zbigniew Kotulski | Zbigniew | Kotulski |
| Marzieh Kouhi-Esfahani | Marzieh | Kouhi-Esfahani |
| Marianna Kouka; | Marianna | Kouka; |
| Inna Kouper | Inna | Kouper |
| Hind Kourouche | Hind | Kourouche |
| Olympia Kourounioti | Olympia | Kourounioti |
| Jaroslav Koutsky | Jaroslav | Koutsky |
| Božo Kovačević | Božo | Kovačević |
| Christopher Kovach | Christopher | Kovach |
| Ralitsa Kovacheva | Ralitsa | Kovacheva |
| Zuzana Kováčiková | Zuzana | Kováčiková |
| István Kovács | István | Kovács |
| Attila Kovács | Attila | Kovács |
| Attila Kovács | Attila | Kovács |
| Anna Kovalenko | Anna | Kovalenko |
| Andriy Kovalenko | Andriy | Kovalenko |
| Elena Kovalova | Elena | Kovalova |
| Eugenia Kovatcheva | Eugenia | Kovatcheva |
| Eugenia Kovatcheva | Eugenia | Kovatcheva |
| Stewart Kowalski | Stewart | Kowalski |
| Georgi Koykov | Georgi | Koykov |
| Ruslan Kozak | Ruslan | Kozak |
| Marcin Kozieł | Marcin | Kozieł |