Tidal is the debut studio album by American singer-songwriter Fiona Apple, released on July 23, 1996, by The WORK Group.

Tidal produced three singles: "Shadowboxer", "Sleep to Dream", and "Criminal".

The latter was the album's most popular single, winning a Grammy Award for Best Female Rock Vocal Performance in 1998.

"[16] Tidal was received well by critics,[17] with Jenny Eliscu of Rolling Stone and Richard Harrington of The Washington Post describing it as a mature effort comparable to the work of singer/songwriters Alanis Morissette and Tori Amos.

"[21] As of July 2016, the album has sold 2.9 million copies in United States.