Worldwide, காயத்ரி (Gayatri 
, காயத்ரி) is a prevalent girly forename. The given name காயத்ரி is characteristic of India, where it is quite a common female name, United Arab Emirates, where it is quite a rare girly name, and Indonesia, where it is quite a rare mostly girly, but infrequently masculine name. Measured by absolute frequency, it is commonest in India, Indonesia, and the United States. Very seldom, காயத்ரி is the last name as well as the forename.