J-top is the fourth greatest hits album by Taiwanese singer Jolin Tsai (Chinese: 蔡依林). It was released on May 5, 2006, by Sony BMG Taiwan. It contains a collection of Tsai's songs from her studio albums—Magic (2003), Castle (2004) and J-game (2005)—and two previously unreleased songs, "My Choice" and "Clothing Astrology". It also contains a documentary that chronicles Tsai's music career from the years 2002 to 2005. It has sold more than 100,000 copies in Taiwan alone.

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