Name
- Julian, Roman Emperor1
- Jurin, James, the elder; MD; FRS1
- Juvin, Jacob, merchant trading in Flanders1
- Kellaway, John, of Tilbury1
- Kersley, Dr; of Philadelphia1
- Kightly, Mary, of Hatfield Chase1
- Kingsley, George, of York1
- Kipesinus, Basilius, Hungarian refugee minister1
- Kirche, Christfried, German astronomer1
- Kirke, Samuel, of Leeds1
- Kirke, Thomas, FRS; of Cookridge1
- Kirshaw, Samuel, Reverend; of Add MS 44331
- Knapton, George, portrait painter1
- Koegler, Ignatius, SJ; missionary in China1
- Kuster, Ludolph, German classical scholar1
- Königsegg-Rothenfels, Josef Lothar Dominik, Count1
- La Barde, Jean, Marquis de Marolles, French Ambassador in Switzerland1
- La Marck, Louis Pierre, called Comte de la Marck1
- Lange, Johann Michael, German scholar1
- Lannoy, Benjamin, merchant trading in Flanders1