This is a list of notable professional a cappella groups that have an article in Wikipedia.

A

• Acappella
• Anonymous 4
• Acappella Vocal Band
• Amarcord
• Ambassadors of Harmony
• ARORA (formerly SONOS)
• Acoustix
• Anthem Lights
• Acapop! KIDS

B

• Bella Voce
• Berywam
• The Blanks
• The Blenders
• Blue Jupiter
• The Bobs
• Bounding Main
• Brothers in Harmony
• The Buzztones

C

• Cadence (disbanded in 2020)
• Cantabile - The London Quartet
• Cantus
• Cappella Romana
• Chanticleer
• Chapter 6 (band)
• Chicago a cappella
• Club for Five
• The Coats
• Coco's Lunch
• Committed (vocal group)
• Cosmos (band)
• CU Buffoons

D

• Danny & The Memories (1963-1967)
• Da Vinci's Notebook (disbanded in 2004)
• DCappella
• Duwende

E

• The Essentials (disbanded in 2011)

F

• FACE
• The Filharmonic
• Five O'Clock Shadow
• The Flying Pickets
• Fool Moon

G

• Gas House Gang (disbanded in 2005)
• The Gesualdo Six
• GLAD

H

• The Hilliard Ensemble
• Home Free
• The House Jacks
• The Hyannis Sound

I

• The Idea of North

J

K

• The King's Singers
• The Kwartet

L

• Ladysmith Black Mambazo
• The Longest Johns

M

• The Maccabeats
• Maybebop
• Maytree
• The Magnets
• The Manhattan Transfer
• Metro Vocal Group
• Metropolitan Male Quartet
• MICappella
• Monkey Puzzle
• Mosaic

N

• Naturally 7
• Neri per Caso
• Nota
• The Nylons
• New Recording 47

O

• Octappella
• Out of the Blue
• Overboard

P

• Pentatonix
• Perpetuum Jazzile
• The Persuasions
• Pieces of 8
• Pikkardiys'ka Tertsia
• Die Prinzen
• The Puppini Sisters

R

• Rajaton
• The Real Group
• Rescue
• Riltons Vänner
• Rockapella

S

• Seminaarinmäen mieslaulajat (Semmarit)
• Singer Pur
• Die Singphoniker
• Six Appeal
• Six13
• The Soil
• SONO
• Starling Arrow
• Straight No Chaser
• Street Corner Symphony
• Streetnix
• Svetoglas
• Sweet Honey in the Rock
• Sweet Sorrow
• Swingle Singers

T

• Take 6
• The King's Singers
• Tonic Sol-fa
• Toxic Audio

U

• Urban Zakapa

V

• Van Canto
• Vive
• Voca People
• Vocal Point
• Vocal Sampling
• vocaldente
• Voces8
• Voctave
• Voice Male
• VoicePlay

W

• Wise Guys
• Witloof Bay