| Gualda Martínez, María Olivia (1974 - ) Spain |
| Guanti, Giovanni (1952 - ) Italy |
| Guarello, Alejandro (1951 - ) Chile |
| Guarnieri, Adriano (1947 - ) Italy |
| Guastavino, Carlos (1912 - 2000) Argentina |
| Guastella, Virginia (1979 - ) Italy |
| Gubaidulina, Sofia (1931 - ) Russia |
| Gubler, Rico (1972 - ) Switzerland |
| Güdden, Wolfgang (1964 - ) Germany |
| Gudmundsen-Holmgreen, Pelle (1932 - ) Denmark |
| Gudmundsson, Hugi (1977 - ) Iceland |
| Gudmundsson, Snorri Hrafn (1968 - ) Iceland |
| Guenett, Fredy (? - ) |
| Guerra, Rey (? - ) Cuba |
| Guerra, Yalil (1973 - ) Cuba |
| Guerra-Peixe, César (1914 - 1993) Brazil |
| Guerreiro Pinheiro, Wilson (1945 - ) Brazil |
| Guerreño, Amanda (? - ) Argentina |
| Guerrero Carabantes, Manuel (1943 - ) Spain |
| Guerrero Marín, Francisco (1951 - 1997) Spain |
| Guestrin, Néstor (1950 - ) Argentina |
| Guevara, Edwin (1977 - ) Colombia |
| Gugelmo, Daniele (1967 - ) Brazil |
| Guiberteau, Francine (1941 - ) |
| Guicheff Bogacz, Vladimir (1986 - ) Uruguay |
| Guichelaar, Jan (1957 - ) The Netherlands |
| Guijarro Pérez, Alvaro (1968 - ) Spain |
| Guillaume, Philippe (? - ) France |
| Guillem, Patrick (? - ) |
| Guillen, Jonathan (? - ) U.S.A. |
