Meaning A boy's name of Native American origin, it means "Bull bear (Cheyenne)." Origin of Otoahnacto Native American Popular Middle Names Pronunciation 🔊 Listen Otoahnacto Similar Names Otoahhastis Avonaco Chuslum Moxmox Tatanka ptecila Ocumwhowurst Ocunnowhurst Ohcumgache Okhmhaka Mokatavatah Mokovaoto Year by Year Popularity of Otoahnacto