Giai is a Vietnamese given name and an Italian surname originated in the region of Piedmont. Notable people with the name include: Given names Đỗ Kế Giai (1929–2016), South Vietnamese major general Đỗ Quang Giai (1900–1972), South Vietnamese senator Vũ Văn Giai (1934–2012), South Vietnamese general Surnames Cristina Giai Pron (born 1974), Italian slalom canoeist Giovanni Antonio Giai (also spelled as Giay) (1690–1764), Italian composer Maria Clara Giai Pron (born 1992), Italian slalom canoeist, younger sister of Cristina
Source: https://olympics.com/en/athletes/maria-clara-giai-pron