Nishioka is a Japanese surname that can refer to various individuals, including athletes and artists. One notable person with this name is Tsuyoshi Nishioka, a professional baseball player who has played in both Japan's Nippon Professional Baseball (NPB) and Major League Baseball (MLB) in the United States. In addition to individuals, Nishioka can also refer to places in Japan, such as Nishioka in Kumamoto Prefecture. This area is known for its natural beauty and cultural heritage, attracting visitors interested in exploring traditional Japanese landscapes and local customs.