Former Owner
- Juan Burgueño1
- Juan de Aillon1
- Juan de Torquemada1
- Julian Burgueño1
- Julius de Cardelinis1
- Jérôme Pichon1
- Jón Þorstensson1
- Katherine Somerset Wyttenbach Fenwick1
- L. Paganthus1
- Lady Frances Bentinck1
- Lajos Graf Apponyi de Nagy-Appony1
- Lambach Abbey1
- Lancino Curti1
- Laurence William Hodson1
- Leigh Baker1
- Leonardo Bruni1
- Leonhardus Cuntius1
- Leopold Gruber1
- Lionardo di Paolo Adimari1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1