Name
- Livingstone, Charles, brother of D Livingstone1
- Lloyd, John Augustus, Lieutenant-Colonel; engineer1
- Lockhart, John Gibson, author, d 18541
- Logan, William, of Glasgow1
- Lowe, Edward Joseph, botanist1
- Lubbock, John, 1st Baron Avebury, banker, politician, and scientific writer, 1834-19131
- Ludolf, Count1
- Lumb, Emily M.1
- Lütke, Friedrich, Count, Russian admiral1
- MacClintock, Francis Leopold, Captain of 'The Fox'1
- MacDonnell, Richard Graves, KB; Governor-General of S Australia1
- MacKenzie, A.1
- MacKenzie, Francis Alexander, 5th Baronet, of Gairloch1
- MacKinnon, Lauchlan, of Melbourne, Victoria1
- MacLeod 'The MacLeod of MacLeod', Norman, of the Victoria and Albert Museum1
- Macaulay, Thomas Babington, Baron Macaulay1
- Macdonald, James, of Add MS 461271
- Mackenzie, George Steuart, 7th Baronet of Coul, FRS1
- Maclaren, Charles, editor of 'The Scotsman'1
- Maclear, Thomas, astronomer1