Locrian may refer to: Locrians, an ancient Greek ethnic group Locrian Greek, ancient Greek dialect spoken by the Locrians Locris, the territory of the Locrians In music: Locrian mode, a musical mode or diatonic scale Major Locrian scale, the scale obtained by sharpening the second and third degrees of the locrian mode Locrian sharp 2 or Half diminished scale, a musical scale commonly used in jazz and some rock Locrian (band), Chicago-based experimental music duo Language and nationality disambiguation pages