- Language: Judeo-Portuguese
- Alternate names: Lusitanic
- Language code: xporj
- Language family: Indo-European, Italic, Romance, Italo-Western, Western, Gallo-Iberian, Ibero-Romance, West Iberian, Portuguese-Galician (SIL classification)
- Number of speakers: Extinct
The Judeo-Portuguese language was spoken and written by Jews in Portugal before the sixteenth century (Peninsular Judeo-Portuguese), as well as in various countries of the post-dispersion diaspora (Emigré Judeo-Portuguese). Texts were written in Hebrew letters (Portuguese Aljamiado) or in Latin letters.
Compared with standard Portuguese, Judeo-Portuguese preserved some archaisms: