Modern spelling variant of Gianna, Italian feminine of Giovanni, from Hebrew meaning 'God is gracious.'
Giyanna is a phonetic spelling of Gianna, the beloved Italian diminutive of Giovanna — itself the feminine form of Giovanni, the Italian rendering of the Hebrew *Yochanan*, meaning "God is gracious." This makes Giyanna part of one of the most widely distributed name families in the world, from John and Jane in English to Juan and Juana in Spanish, Jean in French, and Ian in Scottish — all tributaries of the same ancient Hebrew spring.
The Italian Gianna carries a particular religious resonance: Gianna Beretta Molla (1922–1962), an Italian physician and mother canonized by Pope John Paul II in 2004, is venerated as the patron saint of mothers, physicians, and unborn children. Her story — she declined treatment for a uterine tumor during her fourth pregnancy to protect her unborn daughter, and died a week after the birth — made her a powerful symbol in Catholic devotional life, and her canonization significantly boosted the name's use among Catholic families worldwide. Gianna's rise to American naming prominence accelerated in the 2000s and was intensified by Gianna Bryant, the thirteen-year-old daughter of basketball legend Kobe Bryant, whose death alongside her father in January 2020 prompted a wave of grief that reached millions. The spelling Giyanna reflects both that cultural embrace and the American creative impulse to individualize spelling, giving the ancient name a fresh visual identity while preserving every note of its original Italian warmth.