Bitchin' is the seventh studio album by the American hard rock band The Donnas, released in 2007 on their own label Purple Feather and released through RedEye. It is their first album since leaving Atlantic Records. The record was produced by Jay Ruston (Polyphonic Spree, Metal Skool, Meat Loaf) and The Donnas. Two of the tracks, Wasted and Here For The Party, cowritten with hit songwriter, Holly Knight (Love Is A Battlefield, Obsession, The Warrior). It is the last album to feature drummer Torry Castellano.

The iTunes bonus track, "New Kid in School", is featured in the game Rock Band 2.

The album was made available on CD, a double-purple vinyl, and as a digital download.

As of 2017, this remains the band's last album of all new material.