S
- Count of Sabrosa
- Count of Sabugal
- Count of Sabugosa
- Count of Safira
- Count of Saldanha
- Count of Samodães
- Count of Sandim
- Count of Sandomil
- Count of Santa Catarina
- Count of Santa Cruz
- Count of Santa Eulália (de Pindo, Penalva do Castelo)
- Count of Santa Eulália (de Santa Eulália, Seia)
- Count of Santa Isabel
- Count of Santa Luzia
- Count of Santa Marinha
- Count of Santar
- Count of Santiago de Beduído
- Count of Santiago de Lobão
- Count of Santo André
- Count of São Bento
- Count of São Cosme do Vale
- Count of São Januário
- Count of São João da Pesqueira
- Count of São João de Ver
- Count of São Joaquim
- Count of São Lourenço
- Count of São Mamede
- Count of São Marçal
- Count of São Martinho
- Count of São Miguel
- Count of São Paio
- Count of São Salvador de Matosinhos
- Count of São Vicente
- Count of Sarmento
- Count of Sarzedas
- Count of Sebastião de Pinho
- Count of Seia
- Count of Seisal
- Count of Seixas
- Count of Selir
- Count of Sena
- Count of Sena Fernandes
- Count of Serém
- Count of Serra da Tourega
- Count of Serra Largo
- Count of Sieuve de Menezes
- Count of Silvã
- Count of Silva Monteiro
- Count of Silva Sanches
- Count of Silves
- Count of Simas
- Count of Sintra
- Count of Sobral
- Count of Sortelha
- Count of Soure
- Count of Sousa Coutinho
- Count of Sousa e Faro
- Count of Sousa Rosa
- Conde de Stucky de Quay
- Count of Subserra
- Count of Sucena
Read more about this topic: List Of Countships In Portugal