Kalmar "Iroquoian" tana nufin rukunin harsunan Amirkawa na asali waɗanda ke cikin dangin harshen Iroquoian. Harsunan Iroquoian ƴan asalin ƙasar ne ke magana da su musamman a arewa maso gabashin Amurka ta Arewa, gami da sassan Amurka da Kanada. Kalmar "Iroquoian" na iya nufin ƙungiyar Iroquois Confederacy, ƙawancen tarihi mai ƙarfi da tasiri na ƙabilun Amirkawa waɗanda suka haɗa da Mohawk, Oneida, Onondaga, Cayuga, Seneca, da Tuscarora.