Former Owner
- Henry Grey, 1st Duke of Kent1
- Henry Huth1
- Henry John Peachey, 3rd Baron Selsey1
- Henry Newham Davis1
- Henry William Poor1
- Henry Young and Sons1
- Herman Blum1
- Hermann Marx1
- Hodgson & Co.1
- House of Colonna1
- House of Liechtenstein1
- House of Neville1
- Howard Lesnick1
- Howel Wills1
- Howell Wills1
- Hucks Gibbs, 1st Baron Aldenham1
- Huskan-ordi (Monastery in Muradiye, Turkey)1
- Ibrāhīm al-Shakūrī1
- Ignatius Molitor1
- Institut für Orientalistik (Universität Wien)1