Korea National Arboretum
- General Affairs Division
- Administrative Services
- Facilities Management
- Visitor Engagement
- Research Planning and Coordination Division
- Research Coordination and Budget
- Performance Management
- Biological Diversity Information
- Gardens and Education Research Division
- Arboretum Education
- Arboretum Garden Research
- Tropical Plant Resources
- Forest Museum
- Forest Biodiversity Research Division
- Plant Taxonomy Laboratory
- Insect Taxonomy Laboratory
- Fungal Taxonomy Laboratory
- Korea National Arboretum Herbarium
- DMZ Forest and Biological Resources Conservation Division
- DMZ Ecology Restoration
- DMZ Biodiversity
- Gardens and Facilities Management
- Administrative Services
- Garden and Plant Resources Division
- Garden Research
- Plant Resources Research
- Plant Resources Conservation Center
- Gwangneung Forest Conservation Center
- Tree Ecology Research
- Forest Property Management
- Gwangneung Forest Conservation