- Guiffria
- Guig Ghetto
- Guignol
- Guignol Dangereux
- Guignol's Band
- Guigou Chenevier
- Guiguio
- Guil Guimaraes
- Guil-Tee
- Guil-Tee
- Guilbeau & Parsons
- Guilbeaux
- Guild of Ages
- Guild of Scientific Troubadours
- Guilda
- Guilderoy Byrne
- Guildhall Big Band
- Guildhall String Ensemble
- Guildhall Strings
- Guildo Horn
- Guildo Horn & Die Orthopädischen Strümpfe
- Guile
- Guilford
- Guilford 'Peachtree' Payne
- Guilherme Apolinario
- Guilherme Arantes
- Guilherme Araujo
- Guilherme Barros
- Guilherme Castro
- Guilherme Coimbra
- Guilherme de Brito
- Guilherme Flarys
- Guilherme & Gustavo
- Guilherme Kerr Neto
- Guilherme Lacerda
- Guilherme Monteiro
- Guilherme Rodrigues
- Guilherme Rondon
- Guilherme Sá
- Guilherme & Santiago
- Guilherme Schroeter
- Guilherme Schroeter
- Guilherme Vergueiro
- Guiliano Baglioni
- Guiliano Guerra
- Guiliano Taviani
- Guilio Martino Quartet
- Guilio Platino