武藤兰（日语：あさかわ らん），1980年09月04日出生于日本神奈川县，初期曾使用过清水优香 （Shimizu Yuka）的艺名，后名武藤兰（Mutou Ran），日本AV女优，隶属于新日本企画（新日本プロジェクト，又名maedamodels）旗下。
Ayu Muto, born on June 04, 1980, was born in Kanagawa Prefecture, Japan, and was named after the first name, Mutou Ren, the Japanese AV female actress, and the new Japanese project (also known as maedamodels).
