Hanaoka

Hanaoka (written: 花岡はなおか or 華はな岡おか) is a Japanese surname. Notable people with the surname include:

• Maho Hanaoka (花岡はなおか 麻帆まほ, born 1976), Japanese long and triple jumper
• Hanaoka Seishū (華はな岡おか 青あお洲しゅう, 1760–1835), Japanese surgeon