Persons with rare, epilepsy-related disorders often have intellectual disability and need long-term care. Informal and formal caregivers need information in order to care for the persons in a safe way. Aims: The aims of this review were: (1) to obtain an overview of caregiver-reported information needs; and (2) to investigate if there are information needs that are unique for caregivers of persons with rare epilepsies. Method: We followed the scoping review framework outlined by Arksey and O'Malley and the preferred reporting items outlined by PRISMA. Results: Among the 17 articles that met the inclusion criteria, 5 included caregivers of persons with rare epilepsies. Categories of information needs: (1) Medical information; (2) Information on how to cope with emotional distress; (3) Experiential information from peers; and (4) Interdisciplinary information exchange. The need for disorder-specific information seemed particularly important for caregivers of persons with rare epilepsies. Conclusion: There is a need for further studies, particularly on formal caregivers' information needs.