- Hausdorff moment problem
- hausdorffness
- Hausdorff operation
- Hausdorff paradox
- Hausdorff property
- Hausdorff proximity
- Hausdorff semigroup
- Hausdorff separation axiom
- Hausdorff space
- Hausdorff summation method
- Hausdorff topological group
- Hausdorff topological space
- Hausdorff topology
- Hausdorff uniform space
- Hausdorff-Young inequality
- Hausdorff-Young theorem
- Hausen crater
- haussmann's renovation of Paris
- haustellum
- haustorium
- Haut Atlas Oriental National Park
- Hautear length curve
- haute couture fashion show
- Haute Provence Observatory
- Haute Provence observatory