- Jay, Sarah Louisa4
- Jay, William, 1789-185815
- Jefferson, Thomas, 1743-1826187
- Jenkins1
- Jenkinson1
- Johannes, Lewis M.1
- John de Neufville & Son (Amsterdam, Netherlands)7
- Johnson, Governor6
- Johnson, Joshua, 1742-18026
- Johnson, Nicholas1
- Johnson, Samuel11
- Johnson, Thomas, 1732-181921
- Johnston, James1
- Johnston, John1
- Johnston, S.1
- Johnston, Samuel3
- Jones, David S.5
- Jones, John Paul, 1747-17925
- Jones, Paul2
- Jones, Samuel, 1734-181918
- Joyes [Joyce], Patrick & Sons1
- Kean, John, 1756-17958
- Kearny, Dyre1
- Keating, John1
- Kempe, John Tabor6
- Kennan, William1
- Kennedy, Sarah2
- Kent, James2
- Kerr, Captain1
- Kilty, William, 1757-18212
- King of England1
- King, K.1
- King, Rufus, 1755-182748
- King, Solomon, 1791-18321
- Kirby, Ephraim, 1757-18041
- Kirkbride, Joseph1
- Knoblauch, Baron de8
- Knox, Henry, 1750-18069
- Knox, Mathew1
- L'Hommedieu, Ezra, 1734-18115
- La Fargue, Joseph1
- La Luzerne, Anne-César, chevalier de, 1741-17913
- Lafayette, Marie Joseph Paul Yves Roch Gilbert Du Motier, marquis de, 1757-183439
- Lafayette, Mme.1
- Laight, William1
- Lamb, John6
- Lande & Fynje, de la, Messrs.1
- Laneuville, Major1
- Langdon, John, 1741-18199
- Langworthy, Edward, 1738?-18021
- Lansdowne, William Petty, Marquis of, 1737-18052
- Lansing, Jacob1
- Lansing, Johannes1
- Lansing, John, 1754-18297
- Lansing, Judge1
- Laurance, John, 1750-18102
- Laurens, Henry, 1724-179234
- Laurens, John1
- Lavon, John de1
- Law, Richard, 1733-18062