Former Owner
- Joseph L. Lilly1
- Joseph Marie Sormani1
- Joseph May Spetzler1
- Joseph Whitney1
- Josh Miller1
- Josiah H. Benton1
- José Antonio Conde1
- Juan Rodriguez1
- Juan de Londono1
- Juana I of Castile1
- Juana Mendel1
- Judah ben Moses, ha-Rofe, ha-Kohen1
- Jules Bonhomme1
- Julie Florence de Cossette1
- Julie de Busnel1
- Julius Bisno1
- Julius Hess1
- Jérôme Bignon1
- Jón Þorstensson1
- K-L1