Former Owner
- Herbert Bloch1
- Herbert Watney1
- Hercules Silva1
- Hermann Suchier1
- Himmerod Abbey1
- Holmcultram Abbey1
- Holt family1
- House of Bentivoglio1
- House of Colonna1
- Hubert Palmer Greville1
- Hucks Gibbs, 1st Baron Aldenham1
- I. I. Middleton1
- Ignatius Molitor1
- Ioannis Gennadios1
- Ioannēs Grēgoropoulos1
- Isaac ha-Rofe ben Moses ibn Elezar1
- Isabel de Bellusseau1
- Isabella d'Este1
- J. A. J. Barclay1
- J. E. Schulte1