I-Rio Negro Esporte Clube

I-Rio Negro Esporte Clube yayiyiklabhu yebhola ekhatywayo yaseBrazil, evela kwisixeko saseTeresina, ikomkhulu le-State of Piauí. Wadlala kwezinye iintlelo zePiauí Football Championship kwi-1960s. Ngo-1961, wafumana indawo yesibhozo.