Mary Newbury Adams was an American women's suffragist and education advocate. She was a major social and political activist, and she helped found the Iowa Federation of Women's Clubs and the Northern Iowa Suffrage Association. Adams was inducted into the Iowa Women's Hall of Fame in 1981.

The Iowa Women's Hall of Fame was created to acknowledge the accomplishments of female role models associated with the U.S. state of Iowa, and is an endeavor of the Iowa Commission on the Status of Women (ICSW).