Peterson Zah (December 2, 1937 – March 7, 2023) was an American politician who held several offices with the Navajo Nation.

[5] From 1965 to 1967, he was a participant in Volunteers in Service to America, working at Arizona State University as field coordinator of a training center.

Under his leadership, several of the organization's legal cases related to Indian sovereignty reached the U.S. Supreme Court.

[6][7] During his time as Navajo president, Zah worked with Hopi tribal leader and childhood friend Ivan Sidney to resolve issues related to the land dispute between the two tribes.

[4] During Zah's term, he established the Navajo Nation Permanent Trust Fund (NNPTF), utilizing tens of millions of dollars won in a lawsuit against Peabody Coal Company.

[8] In 1994, Zah successfully advocated for an amendment to the American Indian Religious Freedom Act allowing the ceremonial use of peyote.