Kōki Miyata (宮田 幸季, Miyata Kōki, born October 9, 1972 in Yokohama) is a Japanese voice actor who works for 81 Produce.
He was formerly credited as Harunori Miyata (宮田 始典, Miyata Harunori).
He made his radio CM narration debut on 2 March 1993.