Former Owner
- Hobart M. Lovett1
- Holmcultram Abbey1
- Holt family1
- Hooker Wix1
- Horst-Joachim Unverfähr1
- House of Colonna1
- House of Liechtenstein1
- House of Mansfeld1
- House of Neville1
- House of Rochechouart1
- House of Venier1
- Howard Gray1
- Howard Lesnick1
- Howard Mayer Brown1
- Howel Wills1
- Howell Wills1
- Hubert Palmer Greville1
- Hucks Gibbs, 1st Baron Aldenham1
- Hugh Daubeney1
- Hugh Roberts1