Zio may refer to the following: Zio, Togo, a prefecture in southern Togo Zio Prefecture, Maritime Region of Togo Kyocera Zio (stylized ZIO), a 3G smartphone Toyota Mark X ZiO, a crossover vehicle sold in Japan Zio, a character from the video game Phantasy Star IV Zonal Informatics Olympiad of the Indian Computing Olympiad Kamen Rider Zi-O, a Japanese tokusatsu drama series a pejorative term for Zionists