Unohana has the appearance of a slender and very youthful woman with blue eyes and long black hair which is always worn as a large braid down the front of her body.

She has a a notable scar in-between her collarbone.

 She wears the standard Shinigami captain shihakushō apart from using an obi instead of the normal sash, which hides her well-endowed bosom

Unohana has a large string attached to the sheath of her Zanpakutō and carries it over her shoulder. Her Zanpakutō is called Minazuki. 