GENEVA!
- A barbershop quartet from Lake Geneva, WI. who are all members of the Barbershop Harmony Society and Lake Geneva Country Gentlemen Chorus.
- http://www.genevaquartet.com

Good News
- A quartet founded by Mo Rector to make available good, simple, natural, four part a cappella arrangements of Christian hymns and gospel songs, and to help them learn the music by producing cassette learning tapes.
- http://happinessemporium.com/records_gn.cfm

Gas House Gang
- 1993 International Quartet Champions from St. Louis, Missouri.
- http://www.gashousegang.com/

Golden Touch
- An a cappella quartet from central Florida that performs in a wide and varied range of styles.
- http://www.harmonize.com/GoldenTouch/default.htm

Gotcha!
- 2004 International Quartet champions from southern California.
- http://www.gotchaquartet.com/

GQ4
- A barbershop quartet from northeast Wisconsin. Background information, photo gallery, scheduled performances and links.
- http://www.gq4.org/