Nathaniel Green Taylor was an American lawyer, farmer, and politician from Tennessee. He was U.S. Representative from Tennessee from 1854 to 1855, and again from 1866 to 1867, and Commissioner of Indian Affairs from 1867 to 1869.

The Bureau of Indian Affairs (BIA), also known as Indian Affairs (IA), is a United States federal agency within the Department of the Interior. It is responsible for implementing federal laws and policies related to Native Americans and Alaska Natives, and administering and managing over 55,700,000 acres (225,000 km2) of reservations held in trust by the U.S. federal government for indigenous tribes. It renders services to roughly 2 million indigenous Americans across 574 federally recognized tribes. The BIA is governed by a director and overseen by the Assistant Secretary for Indian Affairs, who answers to the Secretary of the Interior.