Underscore (disambiguation)

The underscore _ is a typographic element.

Underscore, underline or _ may also refer to:
 * Macron below, a diacritic accent
 * Underscore (dance), a practice in contact improvisation developed by Nancy Stark Smith
 * Underscore Records Pvt. Ltd., an Indian record label
 * Underscore.js, a JavaScript library providing utility functions for common programming tasks
 * Underscoring, a technique in musical theatre
 * _ (album), a 2016 album by BT
 * Underscores (musician), an American musical artist