This special issue highlights an exciting range of contemporary, interdisciplinary research into spatial forms, political economic processes, and planning policies that have animated East Asian urbanization. To help situate this research, this introductory article argues that the urban as form, process, and imaginary has often been absent from research on East Asian developmentalism; likewise, the influence of developmentalism on East Asian urbanization has remained under-examined in urban research. To rectify this issue, we propose a concept of urban developmentalism that is useful for highlighting the nature of the urban as a site of and for developmentalist intervention in East Asia. We then outline the contribution made by the articles in this special issue to three key themes that we feel are germane for the study of urban developmentalism across varied contexts: geopolitical economies, spaces of exception, and networks of expertise