| Izdavacka Knjizarnica Zorana Stojanovica |
| J.B. Metzler |
| Jaca Book |
| JC Lattès |
| Jednosc |
| Jessica Kingsley Publishers |
| Johan & Levi |
| John Murray |
| Johns Hopkins University Press |
| José Olympio |
| Kalligram |
| Kaminos |
| Karl Hofmann |
| Karolinum Press |
| Katz Editores |
| Kedros |
| Kingston University Press |
| KIS |
| Klass |
| Klett-Cotta |
| Kluwer |
| Kluwer Law |
| Koenigshausen & Neumann |
| Kosmos |
| Krscanska Sadasnjost |
| Kunstmann |
| L'écarquillé |
| L'Harmattan |
| La Cebra |
| La Découverte |
| La Fabrique |
| La Finestra Editrice |
| La Lepre |
| La Linea |
| La Lluvia |
| La nave di Teseo |
| La Scuola |
| Laia Libros |
| Lambert-Lucas |
| Lapis |