Jamnia may refer to:
Yavne, city in the Central District of Israel adjacent to the ancient site at Tel Yavne/Yibna Council of Jamnia, a hypothetical Jewish council in the 1st century CE Yibna, the former Arab village at Tel Yavne Jamnith (Jamnia in Galilee), ancient city in Upper Galilee, now ruin Jamnia Jagir, former estate in the Bhopawar Agency of British India
See also Gan Yavne, town in Israel Hevel Yavne Regional Council, administrative unit in southern Israel Kerem Yavne, youth village and yeshiva in Israel Kvutzat Yavne, religious kibbutz in Israel