British and Irish History: Biographies
- James III
- James IV
- James Keir Hardie
- James Ramsay MacDonald
- James Scott Monmouth
- James Stanhope 1st Earl Stanhope
- James Stanley 7th earl of Derby
- James Stuart 1st earl of Murray
- James V
- Jan Christian Smuts
- Jane Seymour
- Jean-Baptiste-Marie Saint Vianney
- Joan Beaufort
- Joan of Kent
- John (English king)
- John Arbuthnot Fisher 1st Baron Fisher
- John Benbow
- John Beresford
- John Bradshaw
- John Bright