Wadatsumi (disambiguation)


 * The 8th Hierarchical City of Wadatsumi - a Hierarchical City and birthplace of Kokonoe.
 * Wadatsumi-jō - block 09 in the 8th Hierarchical City of Wadatsumi.
 * Wadatsumi Mass Vanish Incident - an event that happened 10 years before the events of XBlaze - Code: Embryo.