|Born:||December 1, 1962|
|Years active:||1979 - 1987; 2006 - present|
|Spouse:||Unknown (? - 2004)|
Sayoko Hagiwara (萩原 佐代子 Hagiwara Sayoko?) is a Japanese actress. Her real name is Nomiya Saiko (野々宮佐代子 Saiko Nomiya). She played Ryoko Hoshi (Yullian's human form) in Ultraman 80, and also voiced Yullian as well. In 1983, Sayoko became a actor in the Super Sentai series, Dynaman. Toei was Tsuburaya's rival when it came to Toku.