Haido

Haido may refer to:


 * Haito, a 9th-century Christian monk and Bishop of Basel
 * Haido, a township in Xiapu County, Ningde, Fujian, People's Republic of China
 * Haido, a character in the anime film Naruto the Movie: Legend of the Stone of Gelel

People with the given name

 * Haido Alexouli (born 1991), Greek long jumper