Bass or Basses may refer to:
- Bass (instrument), one of several instruments in the bass range
- Acoustic bass guitar, with a hollow body
- Bass clarinet, a clarinet with a lower sound
- Bass cornett, a low pitched wind instrument
- Bass drum, a large drum
- Bass flute, an instrument one octave lower than a flute
- Bass guitar, with a solid body and electric pickups
- Bass sarrusophone, a low pitched double reed instrument
- Bass saxophone
- Bass trombone, a lower pitched trombone
- Bass trumpet
- Bass violin
- Double bass, the largest and lowest pitched bowed string instrument
- Electric upright bass, the electric version of a double bass
- Tuba, often called "the bass" in the context of brass instruments
- Bass (sound), describing low-frequency sound
- Bass (voice type), a type of classical male singing voice
- Bass clef, the musical clef used for lower-sounding instruments and voices
- Bass note, the lowest note in a chord
- Bassline, or bass line, a term used in music for a lower-pitched part
- "Bass", audio file on Culture Vulture (EP) by Jesus Jones (2004)
- "Bass (How Low Can You Go)", a 1988 single by Simon Harris
- "Basses", a movement of Mike Oldfield's Tubular Bells 2003 album
Businesses and organizations
- Bass Strait, between Australia and Tasmania
- Bass Pyramid, a small island in the Bass Strait
- Bass, Victoria, a town in Australia
- Division of Bass, a federal electoral division in Tasmania, Australia
- Division of Bass (state), state electoral division in Tasmania, Australia
- Electoral district of Bass, a state electoral division in Victoria, Australia
- Shire of Bass, a former local government area in Victoria, Australia
- Bass, Alabama, an unincorporated community in Jackson County, Alabama, U.S.
- Bass, Arkansas, an unincorporated community in Newton County, Arkansas, U.S.
- Bass, Casey County, Kentucky, U.S.
- Bass, Missouri, U.S.
- Bass, West Virginia, U.S.
- Nancy Lee and Perry R. Bass Performance Hall, or simply Bass Performance Hall, in Fort Worth, Texas, U.S.