Employee overqualification denotes underemployment, where employees possess more education, skills and abilities than the job requires. Despite being a widely observed phenomenon, the field lacks comprehensive reviews synthesizing all its dimensions with major existing review studies focusing on a few chosen dimensions, primarily perceived overqualification. Aiming to address this gap and to review the field scientifically, this paper conducts a bibliometric analysis of the research on employee overqualification. For the study, 610 overqualification articles were analyzed using citation and co-citation analyses, followed by content analysis to form thematic clusters. By uncovering the topic’s core intellectual structure, recognizing patterns and providing directions for further research after a comprehensive synthesis of past literature, this paper adds value to the field of employee overqualification. We contribute to practice by establishing clarity regarding overqualification, aiding in improving recruitment processes.