Sayoko (written: 小夜子, 紗代子, 佐代子, 沙代子, 彩世子 or 咲世子) is a feminine Japanese given name. Notable people with the name include:

• Sayoko Hagiwara (萩原 佐代子, born 1962), Japanese actress
• Sayoko Izumi (泉 彩世子, born 1988), Japanese singer-songwriter and actress
• Sayoko Kitabatake (北畠 紗代子, born 1978), Japanese archer
• Sayoko Mita (三田 佐代子, born 1969), Japanese sports journalist and television announcer
• Sayoko Ohashi (大橋 沙代子, born 1985), Japanese actress and model
• Sayoko Ozaki (尾崎 紗代子, born 1989), Japanese model
• Sayoko Yamaguchi (山口 小夜子, 1949–2007), Japanese model and actress

• Sayoko Mishima (三嶋 沙夜子), a character in the manga series Oh My Goddess!
• Sayoko Shinozaki (篠崎 咲世子), a character in the anime series Code Geass
• Sayoko Takayama (高山 紗代子), a character in The Idolmaster Million Live!

• Sayaka
• Yoko (name)

Name list

This page or section lists people that share the same given name.
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