Persian Sea may refer to:

Arabian Sea, a sea in the northern Indian Ocean Persian Gulf, a gulf between the Arabian Peninsula and Iran Gulf of Oman, a gulf between the Arabian Sea and Persian Gulf Erythraean Sea, an obsolete term for waters in and near the Gulf of Aden

See also Persian Gulf naming dispute, concern since the 1960s with the name of the body of water between the Arabian Peninsula and Iran Persian Gulf (disambiguation)