Name
- John Mushet and Son, property agents, Edinburgh, fl 1870-18721
- John Rodwell, booksellers and stationers, fl 1832-18441
- Johnston, Thomas Brumby, secretary of the Photographic Society of Scotland, 1814-18971
- Jones and Yarrell, booksellers and newsmen, 1760-1
- Jones, George, butler at Lacock Abbey, b 18161
- Joy, Henry Hall, lawyer, 1786-18401
- Kemp and Co, philosophical instrument makers and chemists, fl 1858-18701
- Kemp, George, Scottish physician, b 18181
- Kerrison, Robert Masters, physician, 1776-18471
- Kerslake, Thomas, bookseller, 1812-18911
- Kidd, John, politician and advocate of Polish independence, 1803-18541
- Kilburn, William Edward, photographer, London, 1818-18911
- Kilvert, John, surgeon, 1798-18611
- King, John Myers, clergyman and author, 1804-18871
- King, William Charles, solicitor, London, fl 1844-18461
- King, William Read, solicitor, London, fl 1821-18441
- Knight, Charles, publisher, editor and author, 1791-18731
- Knott, Richard, of Lacock, fl 1827-18281
- Kreeft, John Christopher Tobias, merchant, known as Christopher Kreeft, 1787-18501
- Károlyi, Aloysius, Count, Austro-Hungarian Ambassador in London, fl 1860-18991