Onna San no Miya (also called Nyo San no Miya) is a fictional character in "The Tale of Genji" written by Murasaki Shikibu, and an important character in its second part, from the 'Wakana' (Spring Shoots) chapter and onward.
女三宮（おんなさんのみや・にょさんのみや）は紫式部の物語『源氏物語』の架空の登場人物で、第二部といわれる「若菜(源氏物語)」巻以降の重要人物。