"Bad Girl" is a song by American singer and songwriter Madonna, recorded for her fifth studio album, Erotica (1992).

The song was released as the third single from the album on February 2, 1993 by Maverick Records.

Madonna has performed the song live only once, during an appearance on Saturday Night Live in January 1993.

Rolling Stone magazine called the song a "riveting" ballad which describes "the mind of a girl who'd rather mess herself up than end a relationship she's too neurotic to handle, and the characters remain faceless.

The song was written by Madonna, Shep Pettibone and Anthony Shimkin, and produced by Madonna and Pettibone.

Lyrically, the song describes a woman that is unhappy with her life because she believes she is behaving badly, due to the sadness that has overwhelmed her since the end of a romantic relationship.

The song was a modest success on the charts, reaching number 36 on the US Billboard Hot 100 and number ten on the UK Singles Chart.

According to the book The Madonna Companion: Two Decades of Commentary, the song highlights the main theme explored throughout the Erotica album, which is "the pain and torment of the heart and the perils of romance."

Entertainment Weekly reviewed it as a "lonely-at-the-top, lovesick-victim song."

The video clip was the first time that Madonna was shown wearing penciled-on eyebrows, after shaving them prior to the filming of the video for her previous single "Deeper and Deeper".