Jamnia may refer to: Council of Jamnia, a hypothetical Jewish council in the 1st century CE Jamnia Jagir, a former estate in the Bhopawar Agency of British India Jamnith (Jamnia), a ruin in Upper Galilee Yibna, a former village known in Roman sources as Jamnia Yavne, a city in the Central District of Israel that occupies the site of the village