The intersection of gender and international relations (IR) has fundamentally reshaped the discipline, challenging traditional narratives of state power and diplomacy. While early diplomatic practices appeared male-centric, feminist scholars have highlighted the significant influence wielded by women through unofficial channels. Critiques of the androcentric bias in IR underscore how traditional notions of masculinity glorify military power and perpetuate inequalities, neglecting the experiences of women in conflict. Efforts to address gender dynamics in conflict resolution are essential for sustainable peace, as women are often marginalized in peace talks. Yet, research demonstrates their crucial role in peacebuilding and the effectiveness of inclusive peace agreements. Gender analysis is also indispensable for national security, revealing vulnerabilities such as sexual violence faced by women in conflict and emphasizing the strategic importance of gender equality for social stability. Gender mainstreaming in policymaking offers a framework for dismantling systemic inequalities, with notable successes in areas such as education and healthcare access for women. However, the future of IR necessitates a comprehensive approach to addressing evolving gender issues, including novel challenges like cyberwarfare targeting women human rights defenders. Achieving gender equality in IR requires critical re-evaluation of traditional frameworks and increased female representation in academic leadership. Only through such efforts can IR move towards a more just and equitable global order.