Tomoko is a unisex Japanese given name that has been traditionally more popular among females. It's composed of two kanji characters: 'Tomo' (友) meaning 'friend', and 'Ko' (子) meaning 'child'. Thus, the name Tomoko translates to 'children friends', suggesting a warm and nurturing spirit.
The name Tomoko experienced varied popularity over the decades, with peaks in the late 1920s and mid-1970s to early 1980s, and a total of 128 babies named Tomoko were born between 1923 and 1991.