Agricultural Job Opportunity Benefits and Security Act of 2001 - Directs the Attorney General, upon completion of specified agricultural work and residency requirements, to adjust the status of a qualifying alien agricultural worker to that of a: (1) lawfully admitted temporary nonimmigrant; and (2) permanent resident nonimmigrant.

Sets forth provisions with respect to: (1) adjustment of status applications, including penalties for false statements; (2) waiver of numerical limitations and certain grounds for inadmissibility; (3) temporary stay of removal and work authorization; (4) administrative and judicial review; and (5) dissemination of program information.

Amends the Immigration and Nationality Act to set forth registry application requirements for H-2A employers and employer associations, including assurances: (1) that the job opportunity is temporary or seasonal, and is not the result of a labor dispute, (2) that attempts have been made to hire U.S. workers; and (3) respecting required wages and benefits, and compliance with labor laws.

Sets forth employment requirements with respect to: (1) wages; (2) housing; (3) transportation reimbursement; and (4) obligation to employ U.S. workers.

Revises provisions respecting the admission and extension of stay of temporary H-2A workers. Provides special rules for alien sheepherders.

States that nothing in this Act shall preclude the Secretary and the Attorney General from continuing to apply special procedures to the employment, admissions, and extension of aliens in the range production of livestock.

Directs the Secretary to establish registry user and alien employment user fee schedules and related collection processes.