Former Owner
- House of Sforza1
- House of Venier1
- Howard Gray1
- Howard Lehman Goodhart10
- Howard Mayer Brown1
- Howel Wills1
- Howell Wills1
- Hucks Gibbs, 1st Baron Aldenham3
- Hudson Gurney1
- Hugh Daubeney1
- Hugh Herte1
- Hugh Roberts1
- Hugo Philipp Waldbott-Bassenheim7
- Hugo Stangenwald1
- Huskan-ordi (Monastery in Muradiye, Turkey)1
- Huysburg1
- Hélène de Fonséque, Dame de Surgeres1
- I. B. Richards1
- I. I. Middleton1
- Ida M. Havens1