Breakdown structure may refer to:

In project management, these are often project components visualised in hierarchical form:

• Goals breakdown structure (GBS)
• Organizational breakdown structure (OBS),  Diagram showing organizational structurePages displaying short descriptions of redirect targets
• Product breakdown structure (PBS),  Tool for analysing, documenting and communicating the outcomes of a project
• Resource breakdown structure (RBS)
• Risk breakdown structure (RBS),  Risk management technique
• Value breakdown structure (VBS),  Project management technique
• Work breakdown structure (WBS),  A deliverable-orientated breakdown of a project into smaller components

• Breakdown structures used to describe geodesic polyhedra