Managerialism is today a frequently applied concept in studies of how ideas and practices related to corporate management are diffused in society. Some assert that managerialism even is what mostly affects the development of contemporary civil society organizations. It is, however, far from clear how the concept of managerialism is used and defined across interest fields. The main conclusion in the present review, involving 105 peer-reviewed articles in civil society studies published between 1990 and 2014, is that the concept of managerialism is so broadly defined that it runs the risk of losing its analytical powers. To avoid this, the paper argues for a more precise conceptual use and suggests that the concept of managerialism should be applied to denote an ideology, the concept of management to capture managerial practices, and the concept of managerialization to describe an organizational change process.