| Brand | Department | Company | Product |
| Kasteelbier / Kasteel bier | Belgian Beer | Brouwerij Van Honsebrouck | |
| Kia Motors | Marketing | Kia Belgium (Euro Comex) | |
| Kick & Rush | Marketing | Kick & Rush | |
| Kinepolis | Marketing | Kinepolis | |
| Kleenex | Marketing | Kimberly-Clark Belgium | |
| Knockando | Marketing | Diageo PLC | |
| Kohan PC | Marketing | Ubi Soft | |
| Korea flag | Flag | Image Corporate | |
| Kwak | Belgian Beer | Brouwerij Bosteels Brasserie |