Gianis is a modern Greek variant of the male given name John, derived from the formal Greek Ioannes (Ιωάννης). The name ultimately traces its roots to the Hebrew Yoḥanan, meaning "Yahweh is gracious", from the elements yo, referring to the Hebrew God, and ḥanan, meaning "to be gracious." The Hebrew name appears in the Old Testament as Johanan or Jehohanan, but its widespread use in Christianity is due to two prominent New Testament saints: John the Baptist and John the Apostle.Usage and VariantsIn modern Greece, Gianis is one of several informal variants of Ioannis, the formal ecclesiastical and administrative form. Other common variants include Giannis, Yannis, Yiannis, and Yanis, all pronounced similarly, though spelling differences often reflect regional preferences or transliteration conventions. The English Wikipedia article lists these forms and notes that Ioannis (Ιωάννης) is the only official name on Greek government documents and birth certificates.Cultural SignificanceLike its English counterpart John, Gianis and its many Greek forms have been extremely popular in Greece and the Greek diaspora for centuries. Among Eastern (and later Western) Christians, the name’s association with two major saint figures ensured its ubiquity. The Greek pronunciation [ˈʝanis] often softens the initial 'G' as 'y', mirroring spellings like Yiannis. Diminutive forms include Yanni and Yianni, and there are feminine counterparts such as Gianna (Γιάννα) and Ioanna (Ιωάννα). The name continues to be common in modern Greece and among Greeks abroad.Meaning: Yahweh is graciousOrigin: Greek variant of John, from Hebrew YoḥananType: Given nameUsed in: Greece, Greek diaspora