Ryû Aiko, also known as Aikana, was the wife of Saigô Takamori.
She was born and raised on Amami Ôshima, a daughter of the prominent Ryû family of Tatsugô village. Her father was known as Ryû Saeshi (or Tameshi); her mother's name was Kamimachigani (or Ekana). She had one brother and a younger sister.
She died in 1902 of a brain hemorrhage, at age 66.
- Gallery labels, Amami Tatsugô Shima Museum.