- National Network of Women's Caucuses (U.S.)1
- National Organization for Women1
- National Women's Political Caucus (U.S.)1
- Navajo Nation1
- Navajo Tribe of Arizona, New Mexico & Utah, New Mexico & Utah1
- Nichols, William F. (William Flynt), 1918-19881
- O'Neill, Tip1
- Oakar, Mary Rose1
- Oberstar, James L. (James Louis), 1934-20141
- Pell, Claiborne, 1918-20091
- Percy, Charles H., 1919-20111
- Price, Melvin, 1905-19881
- Regan, Donald T.1
- Rodino, Peter W., Jr., 1909-20051
- Roper Organization1
- Rostenkowski, Dan1
- Sarkīs, Ilyās, 1924-19851
- Schweiker, Richard S. (Richard Schultz), 1926-20151
- Seiberling, John F.1
- Simpson, Alan K.1
