Former Owner
- Hendrik Herp1
- Henry Ellis Allen1
- Henry George Bohn1
- Henry Grey, 1st Duke of Kent1
- Henry Huth1
- Henry Pelham-Clinton, 4th Duke of Newcastle1
- Henry Young and Sons1
- Hermann Marx1
- Hodgson & Co.1
- House of Colonna1
- House of Liechtenstein1
- House of Sforza1
- Howel Wills1
- Howell Wills1
- Hucks Gibbs, 1st Baron Aldenham1
- Huskan-ordi (Monastery in Muradiye, Turkey)1
- Ida M. Havens1
- Isabel de Bellusseau1
- J. M. C. Armbruster (Firm)1
- J. Techener1