Yoshitaka Waya (和谷 義高 Waya Yoshitaka) is a character in Hikaru no Go.
Waya is Hikaru Shindo's "big brother" insei. Waya is later revealed to be "Zelda", an internet user who plays Go over the internet with Fujiwara-no-Sai (Sai used the screen name "sai"). Waya is the deshi of Shigeo Morishita, a.k.a. Morishita Sensei.
He is also one of Shinichiro Isumi's best friends.
by the end of the series Waya has achieved the rank of 2-dan
In the Japanese version of the anime his voice actor (seiyu) is Reiko Takagi.
Waya has the same given name as Ushikubo Yoshitaka (牛窪 義高 Ushikubo Yoshitaka), a real-life 9-dan Go player who is a part of the Kansai Ki-in.