Children and adolescents with ADHD often face difficulties in everyday social life, anxiety may make these challenges even more complex than it already might be. The findings of this scoping study suggest that anxiety is closely linked to different kinds of social difficulties. Anxiety is described and labelled in different ways, and social difficulties are interpreted differently depending on the study’s focus. This scoping study, by bringing these perspectives together, highlights differences of importance and points to the need for a deeper understanding of how anxiety and social relationships interact in the lives of youth with ADHD.