To establish a Presidential commission to determine and evaluate the validity of certain land claims arising out of the Treaty of Guadalupe-Hidalgo of 1848 involving the descendants of persons who were Mexican citizens at the time of the Treaty.

Guadalupe-Hidalgo Treaty Land Claims Act of 2001 - Establishes the Guadalupe-Hidalgo Treaty Land Claims Commission to determine the validity of land claims arising out of the Treaty of Guadalupe-Hidalgo of 1848. Authorizes three or more eligible descendants of the same community land grant to petition the Commission for such a determination on behalf of themselves and all other descendants....