Hanako is a female Japanese given name.
The name can have different meanings, one of them being 花子, meaning "flower girl."
It is often seen as an archetypal name for females.
[1] 華子 (華 is a kanji of many uses - 'splendor', 'flower', 'petal', 'shine', 'luster', 'ostentatious', 'showy'.
'ko' is the second kanji, meaning 'girl (child)').