Shinobu Kawajiri is a character appearing in Diamond Is Unbreakable. She is a housewife and the mother of Hayato.

Shinobu has light brown hair that is parted to the right and tied back in low ponytail. Sometimes, like in her first appearance, she will tie back several locks of hair that are part of her bangs.

She wears several different outfits throughout the series, most of them having skirts and patterns such as polka-dots.