小野田紗栞 (Onoda Saori) is a Japanese pop singer under Hello! Project as a member of Tsubaki Factory. She is a former member of Princess♪Ribbon. She joined Hello Pro Kenshuusei in November 2014 and was formally introduced as a member at the Hello Pro Kenshuusei Happyoukai 2014 ~11gatsu・12gatsu no Nama Tamago Show!~.