Nan Aron (born 1948) is an American lawyer[1] and the founder and president of Alliance for Justice (AFJ), a liberal judicial advocacy group in the United States.

[2][8] She is considered a key player in confirmation hearings for judicial nominees,[2] and, in 2005, was called "the Madame Defarge of liberal court watchers" in the Wall Street Journal.

[9][10] Prior to founding Alliance for Justice, Aron worked as a staff attorney for the ACLU's National Prison Project.

[9][10][11] Aron went on to serve as a trial attorney for the United States Equal Employment Opportunity Commission,[9] where she litigated race and sex discrimination cases against companies and unions in federal and district courts.

In 1979, Aron founded the Alliance for Justice,[9] and began investigating judicial nominees during Ronald Reagan's presidency.