Résumé :
This article provides an overview of the Greek mentions of the Arabic astrologers Māšāʾallāh ibn Aṯarī al-Baṣrī and Abū Maʿšar al-Balḫī, together with the edition of the Greek fragments explicitly attributed to Māšāʾallāh, based on all their witnesses. Moreover, a general introduction to the Greek tradition of the two astrologers and a discussion of their mentions in the manuscript Vatican City, Biblioteca Apostolica Vaticana, Vat. gr. 1056 are supplied.