This handbook presents in a comprehensive, concise and accessible overview, the emerging field of international political sociology. It summarizes and synthesizes existing knowledge in the field while presenting central themes and methodologies that have been at the centre of its development, providing the reader with a sense of the diversity and research dynamics that are at the heart of international political sociology as a field of study. A wide range of topics covered include: International political sociology and its cognate disciplines and fields of study; Key themes including security, mobility, finance, development, gender, religion, health, global elites and the environment; Methodologies on how to engage with international political sociology including fieldwork, archives, discourse, ethnography, assemblage, materiality, social spaces and visuality; Current and future challenges of international political sociology addressed by three key scholars. Providing a synthetic reference point, summarizing key achievements and engagements while putting forward future developments and potential fruitful lines of inquiry, it is an invaluable resource for students, academics and researchers from a range of disciplines, particularly international relations, political science, sociology, political geography, international law, international political economy, security studies and gender studies.