Baron of Alcantarilha
| Barony Alcantarilha | |
|---|---|
Coat of Arms of the Baron of Alcantarilha | |
| Creation date | 17 June 1869 |
| Created by | Luís I of Portugal |
| First holder | Sebastião José de Mendonça, 1st Baron of Alcantarilha |
| Status | Extinct |
Baron of Alcantarilha was a noble title instituted by His Majesty King Luís I of Portugal, by decree dated 17 June 1869, in favour of Sebastião José de Mendonça.