Agnes Nixon (née Eckhardt; December 10, 1922 – September 28, 2016) was an American television writer and producer, and the creator of the ABC soap operas One Life to Live, All My Children, and Loving.
Nixon's work as producer and writer introduced a number of new storylines to American daytime television – the first health-related storyline, the first storyline related to the Vietnam War, the first on-screen lesbian kiss and the first on-screen abortion. She won five Writers' Guild of America Awards, five Daytime Emmy Awards, and in 2010 received a Lifetime Achievement Award from the National Academy of Television Arts and Sciences. Nixon was often referred to as the "Queen" of the modern American soap opera.
Nixon was born Agnes Eckhardt on December 10, 1922, in Chicago, Illinois, the daughter of Agnes Patricia (née Dalton) and Harry Joseph Eckhardt. She attended Northwestern University, where she was a member of Alpha Chi Omega sorority. She began her career in soaps working for Irna Phillips. Under her tutelage, Nixon was a writer on Woman in White and As the World Turns, and was head writer for Search for Tomorrow, Guiding Light, and Another World.