The ACLU Pasadena-Foothill Chapter is the local chapter of the American Civil Liberties Union (ACLU) for the Pasadena-Foothill region.

The American Civil Liberties Union is the nation's foremost advocate of individual rights and equal justice, and leading guardian against unwarranted government interference and abuse. Since 1920, the mission of the ACLU has been to preserve the rights and freedoms guaranteed by the US Constitution and the Bill of Rights.