Sidney Katherine Powell is an American attorney, former federal prosecutor, and conspiracy theorist who attempted to overturn the 2020 United States presidential election. In August 2023, she was indicted along with Donald Trump and eighteen others in the prosecution related to the 2020 election in Georgia, arising from the attempt by the former president and his allies to subvert the election outcome in Georgia and other key states lost by Trump. In October 2023, as part of an agreement with Georgia prosecutors, she pleaded guilty to six misdemeanor counts of conspiring to intentionally interfere with the performance of election duties. She was sentenced to six years of probation and agreed to testify against the other defendants.