Iguiugig Village is located in Alaska.  The word Igiugig means, "Like a throat that swallows  water"

The Santa Ysabel Band of Kyumeyaay -  Diegueño Mission Indians of the is located in San Diego Valley in California.

The Inaja Band of Diegueño Mission Indians of the Inaja and Cosmit Reservation is a federally recognized tribe of Kumeyaay Indians, who are sometimes known as Mission Indians.

Innu Takuaikan Uashat Mak Mani-Utenam is an Innu First Nations band in Quebec, Canada.

The Inupiat Community of the Arctic Slope (ICAS) is an Alaska Native tribe.

The Ione Band of Miwok Indians is a federally recognized tribe of Miwok people in Amador County, California. As of the 2010 census the population was only 5. 

The Iowa Tribe of Kansas and Nebraska is one of two federally recognized tribes of Iowa people. The other is the Iowa Tribe of Oklahoma.

The Iowa Tribe of Oklahoma is one of two Federally recognized tribes for the Iowa people. The other is the Iowa Tribe of Kansas and Nebraska . Traditionally Iowas spoke the Chiwere language , part of the Souian language family.

Iqurmuit Traditional Council are located in Alaska.

Iskatewizaagegan Independent First Nation, also known as Shoal Lake 39 First Nation, is an Ojibwa or Anishinaabe First Nation along the shores of Shoal Lake.

Island Lake First Nation (Ministikwan Indian Reserve) is a Cree First Nation in Saskatchewan. The band's reserves include Ministikwan 161 and Mistikwan 161A.

vanof Bay, Alaska's wiki: Ivanof Bay is a census-designated place (CDP) in Lake and Peninsula Borough, Alaska, United States. The population was seven at the 2010 Census.