Charmaine White Face, or Zumila Wobaga, is an Oglala Tetuwan (Lakota language speaker) from the Oceti Sakowin (Great Sioux Nation) in North America.

She is known for her work in support of Native American rights, in particular as coordinator of the Defenders of the Black Hills, a volunteer environmental organization centered on efforts to encourage the United States government to honor the Fort Laramie Treaties of 1851 and 1868.

[1][2] She also works at the international level in support of recognition of human rights of indigenous peoples all over the world.

She was a participant in the prayer fast/hunger strike held in December 2004 in Geneva, Switzerland at the final meeting of the Intersessional Working Group on the Draft Declaration on the Rights of Indigenous Peoples (WGDD).

She has worked to preserve Bear Butte,[3][4] on monitoring of abandoned uranium mines, on "environmental remediation of hazardous waste ponds,"[5] and in the anti-nuclear power movement.