Given name or nickname •
GAI (musician) (born 1987), Chinese hip-hop musician •
Gai Assulin (born 1991), Israeli footballer •
Gai Brodtmann (born 1963), Australian politician •
Gai Eaton (1921–2010), British diplomat •
Gai Toms (born 1976), Welsh musician •
Gai Waterhouse (born 1954), Australian horse trainer and businesswoman
Surname •
Antonio Gai (1686–1769), Italian sculptor •
Deng Gai (born 1982), South Sudanese basketball player •
Gaia Gai (1887-1937), Soviet military commander of Armenian origin •
Gatluak Gai (died 2011), South Sudanese rebel •
G. S. Gai (1917–1995), Indian historical linguist •
Oleksiy Gai (born 1982), Ukrainian footballer •
Pa Amadou Gai (born 1984), Gambian footballer •
Pa Mamadou Gai (born 1977), Gambian sprinter •
Pratibha Gai, British microscopist •
Silvio Gai (1873–1967), Italian politician •
Solomon Gai (1600–1638), Italian scholar and Hebraist •
Taban Deng Gai (born 1950), South Sudanese politician
Fictional characters •
Kamen Rider Gai, from
Kamen Rider Ryuki •
Maito Gai, from
Naruto == Places ==