This insightful Handbook brings together leading and emerging scholars within the field of nonprofit organization, serving as a call to action for academics to interrogate key contemporary issues such as backsliding and authoritarianism. It meticulously distinguishes traditional, often marginalist perspectives from nuanced counterarguments to balance out the field. The Handbook of Critical Perspectives on Nonprofit Organizing and Voluntary Action illustrates opportunities and challenges for future researchers within the sector and presses the reader to imagine a better, more equitable future. Chapters employ a variety of vital theoretical lenses, for example utilizing postcolonial theory, critical feminist theory, queer theory, critical disability theory and post-structural theory. They provide a timely, inter-contextual narration of the many roles enacted by nonprofit and voluntary organizations today. Approaching nonprofit organizing as an ever-expanding topic, this crucial Handbook will be an important read for scholars of critical management studies, public administration, and public policy. It will additionally benefit researchers within the philanthropic studies field hoping to gain insight into the future of their discipline.