- John Fresk -- John Gage
- John Gaibrois -- John Gazlay
- John Geggie -- John Gillette
- John Gilliam -- John Goldman
- John Goldman -- John Govedas
- John Gower -- John Greer & The Rhythm Rockers
- John Gregorious -- John Gustafson
- John Gzowski -- John Hall
- John Hall Band -- John HännI
- John Hanson -- John Harris Harbison
- John Harris Jr. -- John Hastings
- John hatanaka -- John Heffernan