Globally, Sadai (Sadai 
, Садай 
, Садаи ) is quite a common largely masculine, but uncommonly female forename. The given name Sadai is characteristic of India, where it is a rare dominantly male, but uncommonly girly name, Georgia, where it is a rare boy's name, and Saudi Arabia. Measured by absolute frequency, this name is the most popular in India, Nigeria, and Mexico. Much less frequently, Sadai is the last name as well as the forename.