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 (2019-2022)
B Beatmosphere 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 Clef Hangers 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 (disbanded in 2023) Duwende
E The Essentials (disbanded in 2011)
F FACE The Filharmonic Five O'Clock Shadow The Flying Pickets Fool Moon Fourth Avenue (Acapella group)
G Gas House Gang (disbanded in 2005) Gentleman's Rule 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 Marcsmen Maybebop Maytree The Magnets The Manhattan Transfer Metro Vocal Group Metropolitan Male Quartet MICappella Monkey Puzzle Mosaic Mosaiko
N Naturally 7 Neri per Caso Noice Nota Noteworthy 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 Ringmasters Rockapella
S Seminaarinmäen mieslaulajat (Semmarit) Singer Pur Die Singphoniker Six Appeal Six13 Slixs SoCal VoCals 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 Whiffenpoofs Wise Guys Witloof Bay