Jean‑Marie Defalque (Belgium) was a landscape architect and an early advocate of European cooperation within the profession. Trained in Belgium and further shaped by international experience, he devoted his career to landscape architecture and to strengthening professional exchange beyond national borders.

As one of the generation of landscape architects that supported the development of European professional networks, he contributed to the foundations of what would later become IFLA Europe, helping to foster collaboration, mutual understanding, and the advancement of landscape architecture across Europe.

Jean‑Marie Defalque is remembered for his commitment to the profession and his support for the European landscape architecture community.