Disability inclusion has become a crucial issue for humanitarian action, at least at the international policy level. However, little is known about how humanitarian actors are “doing inclusion” in practice. With a case study on South Sudan, this article examines whether the increase in publications, policy tools and guidelines has made humanitarian action more inclusive for persons with disabilities, and how stakeholders can overcome persisting barriers for persons with disabilities. The article demonstrates noticeable progress in data collection, capacity-building, the removal of barriers and meaningful participation, but humanitarians still lack the skills, confidence and resources to address many persisting barriers. To advance inclusion, donors and humanitarian organizations must invest more time and resources in capacity-building and coordination.