Names
- Kipke, Harry G., 1899-1972.1
- Knight, John Shively, 1894-1981.1
- Knox, Frank, 1874-1944.1
- Knudsen, William S., 1879-1948.1
- Koch, Theodore Wesley, 1871-1941.1
- Kraus, Edward Henry, 1875-1973.1
- La Guardia, Fiorello H. (Fiorello Henry), 1882-1947.1
- La Rue, George Roger (1882-1967)1
- Lamont, Robert Patterson, 1867-1948.1
- Lane, Alfred Church (1863-1948)1
- Lane, Robert Porter, 1891-1953.1
- Langley, S. P. (Samuel Pierpont), 1834-1906.1
- Langley, Samuel Pierpont (1834-1906)1
- Lilienthal, David Eli, 1899-1981.1
- Lillie, Frank Rattray (1870-1947)1
- Lillie, Frank Rattray, 1870-1947.1
- Lindbergh, Charles A. (Charles Augustus), 1902-1974.1
- Lloyd, Alice Crocker, 1893-1950.1
- Loeb, Jacques (1859-1924)1
- Loeb, Jacques, 1859-1924.1