Quartets
Americas
- Alexandria Guitar Quartet - U.S.A. (2 gtr, 1 (7)-string, 1 rqto, 1 bass)
- Del Alma Guitar Quartet - USA (4 gtr)
- Austin Bella Corda - USA (4 gtr)
- Cuarteto Báaxal - Mexico (4 gtr)
- Bluegrass Guitar Ensemble - USA (4 gtr)
- Brazilian Guitar Quartet - Brazil (4 gtr)
- Brouwer Quartet - USA (4 gtr)
- Canadian Guitar Quartet - Hull, QC, Canada (??)
- Cedar and Spruce Guitar Quartet - USA (4 gtr - some steel and/or banjo)
- Chilean Guitar Quartet - Chile (4 gtr)
- Cuarteto Contemporaneo de guitarras - El Salvador (4 gtr)
- Cuarteto Mijares - Cuba (2 rqt, 2 gtr as well as small percussion (claves cubanas, maracas, cencerro))
- Cuarteto Rosario - Argentina (4 gtr)
- Cuarteto "Xallapan" - México (4 gtr)
- E.L.M.A. Guitar Quartet - Puerto Rico (2 rqt,1 gtr,1 bass )
- 1 East Guitar Quartet - USA - (4 gtr)
- Festival of Four - USA (Spain, Chile,Czech) (2 gtr, flute,mandoline)
- Georgia Guitar Quartet - USA (4 gtr )
- Grand Rapids Guitar Quartet - USA (4 gtr)
- IOWA Guitar Quartet - USA (4gtr)
- Los Angeles Guitar Quartet - USA (4 gtr)
- "Jos Reyna" Guitar Quartet - Venezuela. (4 gtr)
- Minneapolis Guitar Quartet - USA (4 gtr)
- Mississippi Guitar Quartet - USA (4 gtr)
- New England Guitar Quartet - USA (4gtr)
- New York Guitar Quartet - USA (4 gtr)
- New West Guitar Quartet - USA (4 e-gtr)
- Oregon Guitar Quartet - USA (4 gtr)
- Quaternaglia Guitar Quartet - Brasil (4 gtr)
- Ringwood Guitar Quartet - USA (4 gtr, sometimes with violin and cello)
- San Francisco Guitar Quartet - USA (4 gtr)
- Southeastern Guitar Ensemble (Louisiana University) - USA (4 gtr)
- Tantalus Quartet - USA (4 gtr)
- Texas Guitar Quartet - San Antonio, Tejas, USA (4 gtr)
- Tule - México (1 bass, 1 gtr, 1 drums. 1 voice)
- Ensemble de Guitarras de la UANL - México (4 gtr)
- El Cuarteto - Las Guitarras de Uruguay - Uruguay (4 gtr)
- Vancouver Guitar Quartet - Canada (4 gtr)
- Yorktown High School Guitar Quartet - USA (4 gtr)
Asia
- Four Angels - China (4 gtr)
- Hong Kong Guitar Quartet - Hong Kong, China (4 gtr)
- Guitar Ensemble from the Hong Kong Academy for performing Arts- Hong Kong (gtr quartets)
- Kasilag Guitar Quartet - Philippines (4 gtr)
- Niibori Guitar Ladies Quartet - Japan (4 gtr)
- Seoul Guitar Quartet - South Korea (4 gtr)
- Tokyo Guitar Quartet - Japan (4 gtr)
Australasia
- Guitar Trek (Canberra Institute of the Arts) - Australia (1 treble, 1 gtr, 1 bassB, 1 contrabass)
- Melbourne Guitar Quartet - Australia (oct, treble, gtr, bassA, bass)
- New Zealand Guitar Quartet - New Zealand (4 gtr)
- Northern Territory University Guitar Quartet - Australia (4 gtr)
- Saffire Guitar Quartet - Australia (3 gtr, 8-string gtr)
- University of Western Australia Guitar Quartet - Australia (4 gtr)
- Western Australia Conservatorium Classic Guitar Quartet - Australia (4 gtr)
Europe
- Aleph Guitarren Quartett - Germany (4 gtr)
- Amsterdam Guitar Quartet - Netherlands(4 gtr)
- Aquarelle Guitar Quartet - UK (4 gtr)
- Aragon Guitar Quartet - England (4 gtr)
- Baltic Guitar Quartet - Lithuania (4 gtr)
- Barcelona-4-Guitars - Spain (4 gtr)
- Barrios Guitar Quartet - Germany (4 gtr)
- Brighton Guitar Quartet - UK (4 gtr)
- Camerata Tedesco - Spain - (4 gtr)
- Cassalla Gitarrenquartett - Germany (4 gtr)
- Corona Guitar Quartet - Denmark (4 gtr)
- Donne & Corde - Switzerland (4gtr)
- Dublin Guitar Quartet - Ireland (4gtr)
- Emerald Guitar Quartet - UK (4 gtr)
- Encuentro - Netherlands (4 gtr)
- Enfield Classical Guitar Society Quartet - UK (4 gtr)
- Entrequatre - Asturias, Spain (4 gtr)
- English Guitar Quartet - UK (treble, 2 gtr, bass)
- Ensemble XXI - Spain (10 + gtr, with several orchestral instruments eg violins, cellos, clarinet, flutes, trumpets etc)
- Eon Guitar Quartet - Italy (4 gtr)
- Eos Guitar Quartet - Switzerland (4 gtr)
- Epika Guitar Quartet - Bulgaria (4 gtr)
- Fandango Guitar Quartet - Hungary (4 gtr)
- Frangiskos Leontaritis Guitar Quartett - Greece (4 gtr)
- Guitars A Quattro - Switzerland (3 gtr, bass / 4 gtr)
- Guitar4mation - Austria (4 gtr)
- The Hague Guitar Quartet - Netherlands (4 gtr)
- Irish Guitar Quartet - Eire (4 gtr)
- Quartet Malamatina - UK (4 gtr)
- MÄ“la Guitar Quartet - UK (4 gtr)
- Naildance Quartet - Holland (4 gtr)
- Nordic Guitar Quartet - Denmark (4 gtr)
- OLE Guitar Quartet - Cambridge, UK (4 gtr)
- Opera Nova - Italy (4 gtr)
- Prague Quartet - Czech Republic (4 gtr)
- Quartic Guitar Quartet - UK (3 gtr, bass)
- Salzburger Guitarrenquartett - Austria (4 gtr)
- Quartetto Santorsola - Italy (alt, 2 gtr, 1 8-string gtr)
- Scottish Guitar Quartet - Scotland (4 gtr)
- Spanish Art Quartet- Germany (4 gtr)
- Tanagra Guitar Quartet - France (4 gtr)
- Cuarteto Terpsicore - Spain (4 gtr)
- Quartetto Torres - Italy (4 gtr)
- Vida Guitar Quartet - UK (4 gtr )
- Die Vielsaitigen - Austria (4 gtr)
- York Guitar Quartet - UK (1 rqt, 2 gtr, bass)
- Zagreb Guitar Quartet - Croatia (3 gtr, 1 seven-string gtr; sometimes oct or terz)
Quintets
Américas
- Washington Guitar Quintet USA (5 gtr)
- Limprock - Chile (2 gtr, 1 bass, vocalist, drums)
- El Ensamble Clásico de Guitarras de la Universidad Veracruzana - México (5 gtr)
Asia
- Hong Kong Guitar Quintet - Hong Kong, China (5 gtr)
Australasia
- Guitar Trek - Australia (Canberra Institute of the Arts) (1rqt, 2 gtr, 1 bassB, 1 contrabass)
Europe
- Guitarissima - Germany (oct, 3 gtr, bass)