Viscounts | Titles by Rank
- Viscounts of Gonçalves de Freitas
- Viscounts of Gonçalves Pinto
- Viscounts of Gondoriz
- Viscounts of Gontaut
- Viscounts of Gouveia
- Viscounts of Graça
- Viscounts of Graça
- Viscounts of Graceira
- Viscounts of Graciosa
- Viscounts of Gramosa
- Viscounts of Granja
- Viscounts of Granja do Tedo
- Viscounts of Granjão
- Viscounts of Guadalupe
- Viscounts of Guaí
- Viscounts of Guarapuava
- Viscounts of Guararapes
- Viscounts of Guaratiba
- Viscounts of Guaratinguetá
- Viscounts of Guébriant
- Viscounts of Guedes
- Viscounts of Guedes Teixeira
- Viscounts of Gueifães
- Viscounts of Guéroult
- Viscounts of Guiães
- Viscounts of Guiguen
- Viscounts of Guilhofrei
- Viscounts of Guilhomil
- Viscounts of Halgouet
- Viscounts of Halgouët
- Viscounts of Hamilton
- Viscounts of Harcourt
- Viscounts of Hardÿ de Beaulieu
- Viscounts of Harscouët de Keringant
- Viscounts of Hennezel
- Viscounts of Hercé
- Viscounts of Horncastle
- Viscounts of Huelma
- Viscounts of Huon de Kermadec
- Viscounts of Ibituruna
- Viscounts of Icó
- Viscounts of Idanha
- Viscounts of Illa
- Viscounts of Illa y Canet
- Viscounts of Illacaner
- Viscounts of Imbé
- Viscounts of Indaiatuba
- Viscounts of Inhambupé de Cima
- Viscounts of Inhaúma
- Viscounts of Inhomirim