Cognomen Ithai (Ithai 
) , around the globe, is a rare family name. The family name Ithai is habitual in Kenya, where it is a rare surname, Israel, where it is a very rare surname, and Mexico. Not in comparison with a country's population, this name is the most popular in Kenya, Mexico, and India. Very seldom, Ithai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ithai | Mexico, India, United States, Kenya, United Kingdom |