Blackfoot, Idaho, a city in the United States located in southeast Idaho
Eastern Blackfoot or Southern Blackfoot, term sometimes used for the Saponi and other Virginia Siouans who left the tribe and joined other ethnicities.
Pied-noir, meaning Blackfoot, the literal English translantion of a member of the former Franco-Algerian population
Blackfoot (Warriors), the Clan leader in the Warriors (novel series) by Erin Hunter, now called Blackstar.
Blackfoot, an 18th century name for Irish Catholics who co-operated with the Protestant establishment in Ireland; see Whiteboys.