The cooperation between Türkiye and Italy in the field of defense industry has gained a more strategic and multidimensional character under the influence of regional security dynamics and technological developments. While both countries are members of NATO, they have been deepening their partnership in line with policies that aim to reduce mutual dependence in defense technologies and promote domestic production. Projects developed particularly in the fields of unmanned aerial vehicles (UAVs), air defense systems, naval platforms, and electronic warfare systems not only enhance military capacity but also enable sustainable cooperation in technology transfer, joint production, and R&D activities. The balance established between Italy’s advanced engineering expertise and Türkiye’s growing production capacity creates strategic complementarity for both sides. In this context, license agreements, technologysharing protocols, and joint ventures encompass not only the technical dimension of defense industry cooperation but also the strengthening of economic and diplomatic relations. This rapprochement in defense is likely to have significant implications for European security and stability in the Mediterranean. Furthermore, these partnerships, shaped in line with the national defense industry strategies of both countries, have the capacity to influence not only bilateral relations but also defense integration processes in Europe. These partnerships between Türkiye and Italy are considered a contemporary example of intergovernmental technological convergence and defense diplomacy. This study provides a comprehensive analysis of this process, based on agreements and exemplary projects.