Former Owner
- J. Martini1
- J. Meade Falkner1
- Jacob Henry Burn1
- Jacques Vellekoop1
- James Ellsworth1
- James Tanis1
- Jean Bondieu1
- Jean Joseph Sosthène de LaRoche Lacarelle1
- Joachim Guerrinus de Montefegatesio1
- Johan Meerman1
- Johann Heinrich van Ess1
- Johannes Betrus Ravenoldus1
- Johannes Cuno1
- Johannes, de Sancto Nabore1
- John Alfred Wigan1
- John Bellingham Inglis1
- John Couch Adams1
- John Eliot Hodgkin1
- John F. Fleming1
- John Gribbel1