Yanni is a Greek diminutive of Yiannis, itself a modern Greek variant of Giannis, which ultimately derives from the Greek name Ioannes (Latin form of Ἰωάννης), the New Testament equivalent of the Hebrew name John. The name thus carries the meaning "Yahweh is gracious," from the Hebrew elements yo (referring to God) and ḥanan ("to be gracious"). While the name John has a vast history and numerous forms across cultures, Yanni stands out as a distinctly Greek shortened form, often used informally as a nickname for Yiannis or Giannis in Greece.The best-known bearer of the name is the world-renowned Greek musician Yiannis Chryssomallis (born November 14, 1954), who performs under the mononym Yanni. He is a composer, keyboardist, and pianist known for his instrumental works that blend jazz, classical, soft rock, and world music. Yanni achieved international fame through public-television broadcasts of his concerts at historic landmarks such as the Acropolis in Athens, the Taj Mahal in India, and the Forbidden City in China. His breakthrough concert, Live at the Acropolis, became the second best-selling music concert video of all time, cementing his status as a pioneering figure in contemporary instrumental music.Variants and Cultural ScopeYanni is one of several Greek diminutives derived from Yiannis. A related variant is Yianni, which shares the same root. Feminine forms include Gianna, Ioanna, Yanna, and Yianna, reflecting the grammatical gender distinctions in Greek names. Across other languages, the name John appears in myriad forms — such as Yohannes in Amharic, Yahya in Arabic and Turkish, Jannie in Afrikaans, and Gjon in Albanian — highlighting the name's worldwide religious and cultural significance.Key FactsMeaning: "Yahweh is gracious."Origin: Greek, diminutive of Yiannis (Iohannes/John).Type: Diminutive/Nickname.Usage: Primarily Greek, often as an independent given name due to association with the musician.