斯瓦希里语
Like the rest of the Swahili people, the Shirazi speak the Swahili language as a mother tongue. It belongs to the Bantu branch of the Niger-Congo family. However, the dialects of Swahili language is best described as a syncretic language, that blended Sabaki Bantu, Comoro, Pokomo, Iranian, Arabic and Indian words and structure reflecting the syncretic fusion of people from diverse backgrounds that form the Shirazi people.