Hanako may refer to:

People with the given name Hanako:

• Hanako (given name) meaning Flower Child
• Hanako, Princess Hitachi, Hanako Tsugaru, later Princess Hitachi of Japan
• Hanako Takigawa (1988) Japanese gravure model, actress and TV talent
• Hanako Oshima, Japanese musician
• Ōta Hisa (1868–1945), a Japanese actress who toured Europe and posed for Auguste Rodin and went by the name Hanako

Other

• Hanako (fish), a fish which lived for over two hundred years
• Hanako, film by Makoto Satō (director)
• Hanako (magazine), a women's magazine in Japan
• Hanako Games, a developer of downloadable computer games
• Hanako-san, a Japanese urban legend about the ghost of a young girl who haunts school bathrooms
• Hanako, a character of the manga Hanako and the Terror of Allegory
• Hanako Ikezawa, a character of the visual novel Katawa Shoujo
• Hanako, a character of the drama Hanako to Anne
• "Hanako" (Yoko Ono song), a bonus track on Japanese release of Between My Head and the Sky
• Hanako Ohmuro, a character from YuruYuri