圆尾绚鹦嘴鱼（学名：Calotomus japonicus）为鹦嘴鱼科绚鹦嘴鱼属的鱼类。分布于日本南部以及南海诸岛等，常见于珊瑚礁。

维基物种中的分类信息：

圆尾绚鹦嘴鱼

Calotomus japonicus, commonly known as the Japanese parrotfish, is a species of parrotfish commonly found throughout the northwest Pacific. The species has been classified as Least Concern by the IUCN.