Jay (traditional Chinese: 杰倫; simplified Chinese: 杰伦; pinyin: Jié lún) is the debut studio album by Taiwanese singer Jay Chou. It was released on 7 November 2000, by BMG Taiwan. It was entirely produced and composed by Chou, with lyrics written by Chou alongside his creative partners Vincent Fang and Vivian Hsu. Musically, the record incorporates popular music genres such as pop, hip-hop, R&B, and adult contemporary.

Jay received highly positive reviews from music critics; it is retrospectively credited for starting a whole new era of C-Pop music and is seen as one of the most impactful albums from Greater China of the 21st century. Commercially, the album was a success, shipping over 250,000 copies in Taiwan, and became the top seller for four consecutive months. It finished as one of the highest-selling albums of 2001 in the country, and is one of the best-selling albums in Taiwan of the 21st century. The album also earned an IFPI Hong Kong Top Sales Music Award for Top 10 Best Selling Mandarin Albums of the Year in 2001.