와타쓰미

Also known as Ōwatatsumi, Ohowatatsumi, Watatsumi Sanjin, Watatsumi no Kami, Kaitō no Kami

, also pronounced Wadatsumi, is a legendary kami (神, god; deity; spirit), Japanese dragon and tutelary water deity in Japanese mythology. is believed to be another name for the sea deity Ryūjin (龍神, Dragon God) and also for the , which rule the upper, middle and lower seas respectively and were created when Izanagi was washing himself of the dragons blood when he returned from Yomi, "the underworld".