Agriculture Competition Enhancement Act of 2001

Agriculture Competition Enhancement Act of 2001 - Makes it unlawful for a business purchaser of livestock, poultry, or a basic agricultural commodity for (wholesale) resale, either unprocessed or processed, to acquire the voting assets of any person if: (1) the total amount of such assets or annual sales of each person exceeds specified limits; and (2) such acquisition would reduce competition so as have a negative effect on prices paid to producers.

Requires such a purchaser filing a premerger notice under the Clayton Act to also file with the Secretary of Agriculture. Provides for: (1) public comment; and (2) review by the Secretary respecting such action's anticompetitive effects.

Subjects such actions to specified enforcement provisions of the Clayton Act.

Directs the Attorney General to establish in the Department of Justice an Office of Special Counsel for Agriculture to handle agricultural antitrust issues.

Directs the Comptroller General to conduct a study respecting whether: (1) the Grain Inspection, Packers and Stockyard Administration needs additional resources to monitor and investigate the competitive implications of meat packing industry practices; and (2) disparities exist in the Administration's authority respecting the poultry, meat, and pork industries.