Antitrust Act
# Antitrust Act

Antitrust Act can refer to:

* The Sherman Antitrust Act, first United States federal government action to limit monopolies
   * Sherman Antitrust Act (federal preemption)
* The Clayton Antitrust Act, enacted to remedy deficiencies in antitrust law created under the Sherman Antitrust Act
* Hart–Scott–Rodino Antitrust Improvements Act
* Tunney Act, officially known as the Antitrust Procedures and Penalties Act
