Sayaka Kobayashi is a Japanese actress and voice actress. She is affiliated with Seinenza Theater Company from April 1, 1992 through the Institute of Literary Research and the Juvenile Research Institute of the 16th period. She was born in Sapporo, Hokkaido. Graduated from Hokkaido Sapporo Minami High School. Her father was a documentary film director, Chigusa Kobayashi.