Wellbeing and mental health interventions for Indigenous children and youth: A systematic scoping review

•Published evidence about mental health interventions for Indigenous children and youth is limited.•There are few evaluations of interventions that show what works.•There was little explanation of leadership by Indigenous people and paradigms.•Strategies targeted intersectoral systems, workforce skills, program quality and client care.•Outcomes included improved appropriateness, quality and effectiveness.•More Indigenous-led investigations of wellbeing interventions are needed.