Diaphragm
- Diaphragm (acoustics)
- Diaphragm (birth control)
- Diaphragm (mechanical device)
- Diaphragm (optics)
- Diaphragm (structural system)
- Diaphragm arch
- Diaphragm pump
- Diaphragm seal
- Diaphragm shutter
- Diaphragm valve
- Diaphragm wall
- Diaphragma
- Lamina (disambiguation)
- Membrane (disambiguation)
- Thoracic diaphragm
- Urogenital diaphragm