Treble

Treble may refer to:

Music

 * Treble (sound), tones of high frequency or range, the counterpart of bass
 * Treble voice, a choirboy or choirgirl singing in the soprano range
 * Treble clef, a symbol used to indicate the pitch of written notes
 * Treble (musical group), a three-piece girl group from the Netherlands
 * Treble, in change ringing, the bell with the highest pitch
 * Treble, another name for the alto recorder musical instrument
 * Treble, a 2024 album by MC Cheung

Other uses

 * Treble (association football), the achievement of winning three top tier trophies in one season
 * Treble (rugby league), in British competition, winning all three available domestic titles in one season
 * Treble (Mega Man), a character in the Mega Man video game series
 * Treble, a crochet stitch
 * Treble, a type of bet covering three selections
 * Project Treble, an Android feature to separate system and vendor for faster system update roll-up