Barons | Titles by Rank
- Barons of Stockler
- Barons of Stockmar
- Barons of Stockmar-von Wangenheim
- Barons of Stotzingen
- Barons of Strachwitz e Gross-Zauche
- Barons of Stralenheim
- Barons of Strassoldo-Villanova
- Barons of Stritez
- Barons of Stübing
- Barons of Suaçi
- Barons of Suaçuna
- Barons of Suaçuna-I
- Barons of Subaé
- Barons of Sully
- Barons of Sulzbürg
- Barons of Summonte
- Barons of Surlet
- Barons of Suruí
- Barons of Süsskind-Schwendi
- Barons of Syberg zum Busch
- Barons of Tabatinga
- Barons of Taberna
- Barons of Tacaruna
- Barons of Taisne de Raymonval
- Barons of Taitinga
- Barons of Tamandaré
- Barons of També
- Barons of Tannberg
- Barons of Tapajós
- Barons of Taquara
- Barons of Taquaretinga
- Barons of Taquary
- Barons of Tascher
- Barons of Tassis
- Barons of Tatuí
- Barons of Taubaté
- Barons of Tavarede
- Barons of Tavares Leite
- Barons of Tavernost
- Barons of Tavi
- Barons of Taxis von Bordogna
- Barons of Tefé
- Barons of Teissier
- Barons of Teixeira
- Barons of Teixoso
- Barons of Telheiras
- Barons of Teresópolis
- Barons of Terlinden
- Barons of Terranuova
- Barons of Terrateig