Cognomen Teisi (Teisi 
) , globally, is a rare surname. The cognomen Teisi is characteristic of Botswana, where it is quite a rare surname, Romania, where it is a rare surname, and New Zealand. Not in comparison with a country's population, the name is most common in South Africa, Romania, and Botswana. Likewise, Teisi is the forename as well as the last name.