In all the world, Sairo (Sairo 
) is quite a rare gender-neutral forename. The given name Sairo is habitual in Nicaragua, where it is a rare boy's name, Indonesia, where it is a rare dominantly masculine, but uncommonly girly name, and Pakistan, where it is a very rare male name. Measured by absolute frequency, it is the most numerous in India, Indonesia, and Pakistan. Likewise, Sairo is the last name as well as the forename.