Surname Tnha (تنها 
, Tnha ) , globally, is a common last name. The family name Tnha is characteristic of Afghanistan, where it is a common surname, Iran, where it is quite a common surname, and United Arab Emirates, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Afghanistan, Iran, and Saudi Arabia. Much less frequently, Tnha is the forename as well as the last name.