This page is for characters named Sayaka Yumi throughout the Mazinger franchise.
- Sayaka Yumi (Manga): The character from the original Mazinger Z manga.
- Sayaka Yumi (TV): The tomboy from the Mazinger Z anime and TV Magazine manga.
- Sayaka Yumi (Ōta): An alternate version of the character in a separate manga.
- Sayaka Yumi (CB Chara): Koji's partner who was easily bored by his antics.
- Sayaka Yumi (MazinSaga): Koji's main supporter both in her past and current lives.
- Sayaka Yumi (Z Mazinger): A minor turned major character in the fight against the Mechanical Gods.
- Sayaka Yumi (Kaiser): The pilot of two robots that support the Mazinkaiser.
- Sayaka Yumi (Angels): The leader of the Japanese Mazinger Angels.
- Sayaka Yumi (Shin): Based on the character from the original manga.
- Sayaka Yumi (ZERO): The hero's main supporter and the pilot of three robots.
- Sayaka (Otome): An unnamed character modeled after the original Sayaka Yumi.
- Sayaka Yumi in other canon