The Senkaku Islands (尖 閣 諸 島, Senkaku Shotō), also known as Diaoyutai Islands (traditional Chinese: 釣 魚 台 群 島; simplified Chinese: 钓 鱼 台 群 岛; pinyin: Diàoyútái Qúndǎo, literally "angling platform islands"), or the Pinnacle Islands, are a group of disputed, uninhabited islands currently controlled by Japan, but also claimed by both the Republic of China and the People's Republic of China as part of Taiwan Province, Toucheng Township in Yilan County. The islands are located roughly northeast of Taiwan, due west of Okinawa, and due north of the end of the Ryukyu Islands in the East China Sea.

Their status has emerged as a major issue in foreign relations between the People's Republic of China and Japan and between Japan and the Republic of China. Japanese government regards these islands as a part of Okinawa prefecture. While the complexity of the PRC-ROC relation has affected efforts to demonstrate Chinese sovereignty over the islands, both governments agree that the islands are part of Taiwan, which is administered by the ROC.