Barons | Titles by Rank
- Barons of Homem de Melo
- Barons of Hommet
- Barons of Hompesch
- Barons of Hornstein
- Barons of Hornstein zu Göffingen
- Barons of Hortega
- Barons of Hospital
- Barons of Hövel
- Barons of Hövell tot Westerflier
- Barons of Howorth de Sacavém
- Barons of Howth
- Barons of Huart
- Barons of Hügel
- Barons of Humboldt-Dachroeden
- Barons of Hungen
- Barons of Huriel
- Barons of Huysse
- Barons of Ibertioga
- Barons of Ibiapaba
- Barons of Ibicuí
- Barons of Ibirá-Mirim
- Barons of Ibirapuitã
- Barons of Ibirocaí
- Barons of Ibitinga
- Barons of Ibituruna
- Barons of Icó
- Barons of Igarapé-Mirim
- Barons of Iguape
- Barons of Iguape-I
- Barons of Iguaraçú
- Barons of Iguatemi
- Barons of Ijuí
- Barons of Ilha Grande de Joanes
- Barons of Illertissen
- Barons of Illiers
- Barons of Imbaccari
- Barons of Imbé
- Barons of Imburi
- Barons of Indaiá
- Barons of Indaiatuba
- Barons of Ingaí
- Barons of Ingenheim
- Barons of Inhaca
- Barons of Inhanduí
- Barons of Inhaúma
- Barons of Inhomirim
- Barons of Innermeath
- Barons of Innhausen
- Barons of Innhausen und Knyphausen
- Barons of Inoã