Cognomen Tinai (Tinai 
) , all around the world, is a rare surname. The surname Tinai is habitual in Fiji, where it is quite a common surname, United Arab Emirates, where it is a rare surname, and New Zealand. Not in comparison with a country's population, it is the most numerous in Fiji, Philippines, and United Arab Emirates. Also, Tinai is the forename as well as the last name.