Barons | Titles by Rank
- Barons of Traves
- Barons of Trazegnies
- Barons of Trebomyslic
- Barons of Trélan
- Barons of Tremembé
- Barons of Três Barras
- Barons of Três Ilhas
- Barons of Três Rios
- Barons of Três Serros
- Barons of Trets
- Barons of Tretz
- Barons of Tripi
- Barons of Triunfo
- Barons of Tromaí
- Barons of Trovisqueira
- Barons of Tufara
- Barons of Türckheim
- Barons of Turiaçu
- Barons of Turis
- Barons of Turrie Moggio
- Barons of Turvo
- Barons of Twickel
- Barons of Ubá
- Barons of Udekem
- Barons of Udekem d' Acoz
- Barons of Ujezd
- Barons of Ullens de Schooten
- Barons of Ulm
- Barons of Ulmenstein
- Barons of Umfreville
- Barons of Una
- Barons of Ungarschitz
- Barons of Ungelter-Deissenhausen
- Barons of Unter-Waltersdorf
- Barons of Upacaraí
- Barons of Uraraí
- Barons of Urgeira
- Barons of Uruçuí
- Barons of Uruguaiana
- Barons of Ururaí
- Barons of Uslar-Gleichen
- Barons of Ussel
- Barons of Uzel
- Barons of Vadans
- Barons of Val Formoso
- Barons of Valado
- Barons of Vale
- Barons of Vale da Mata
- Barons of Vale da Rica
- Barons of Vale de Estevão