Name
- Ingoldsby, Lawrence, merchant1
- Jackson, David, Portugal merchant1
- Jackson, Joseph, merchant, of London1
- Janssen, Theodore, 1st Baronet, 17151
- Jeffreys, Edward1
- Jeffreys, Jeffrey, MP1
- Johnson, William, merchant1
- Jones, John, Lieutenant-General; Lieutenant-Governor of Hull1
- Joseph I, Emperor of Germany1
- Junimelley, Claude1
- Lambert, F.1
- Lambert, John, stockbroker and commodity dealer1
- Lambert, Samuel, merchant, of London1
- Lane, Thomas, Madeira merchant1
- Lascelles, Edward, Madeira merchant1
- Laurens, Benjamin, Portugal merchant1
- Lawes, John, diplomatist1
- Lawrence, Richard, Consul-General in Tunis1
- Le Cann, John, MD; army physician1
- Leake, John, Admiral1