Tsurugisan Quasi-National Park (剣山国定公園, Tsurugisan kokutei kōen) is a Quasi-National Park that spans the borders of Tokushima and Kōchi Prefectures, Japan. It was founded on 3 March 1964 and has an area of 209.6 km² (80.9 sq mi). Within Tokushima Prefecture, the park includes a stretch of the Yoshino River and the Iya Valley.