- Kennedy, John F. (John Fitzgerald), 1917-19631
- Kerry, John, 1943-1
- Kiser, Bill1
- Kuchel, Thomas H.1
- Laird, Melvin R.1
- League for the Hard of Hearing1
- League of Women Voters (U.S.)1
- Leiser, Ernest, 1921-1
- Lighthizer, Robert E., 1947-1
- Lott, Trent, 1941-1
- March of Dimes1
- Mathews, Harlan, 1927-20141
- Mathews, Jay, 1945-1
- McCain, John C. (John Charles), 1939-1
- McGovern, George S. (George Stanley), 1922-20121
- Melcher, John, 1924-20181
- Merritt, T. Allen, 1946-1
- Michel, Robert H., 1923-20171
- Miller, Jack R. (Jack Richard), 1916-19941
- Mills, Wilbur D. (Wilbur Daigh), 1909-19921
