Yo Hiori (氷ひ織おり 羊よう, Hiori Yō?) is a contender of Blue Lock, who currently is a member of Germany's Bastard München during the Neo Egoist League. He has choppy cyan hair that falls down his face and has soft feminine facial features, similar to Chigiri. His hair is neatly combed to sides with a longer strand of hair falling to one side.

At Blue Lock, Hiori wears the standard-issued body suit (black with gray lines) and tracksuit. During Second Selection, he wore Team Red's #27 jersey. 