Kuniko is a unisex Japanese given name, composed of two kanji characters: 'kun' (久) meaning 'long time', and 'ko' (こ) which can have various meanings such as 'child', 'small', 'haze', or 'frost'. The name Kuniko was popular during the early to mid 20th century in Japan, particularly among families who wished for their children to live long, prosperous lives. It is often used for both boys and girls, adding a touch of versatility to its meaning.
"Kuniko was quite popular in 1931 with five babies given this name."