Cognomen Taenia (Tenia 
, Taenia 
) , worldwide, is quite a rare last name. The last name Taenia is characteristic of Trinidad and Tobago, where it is quite a rare surname, Venezuela, and Algeria, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Venezuela, Indonesia, and Philippines. Also, Taenia is the forename as well as the last name.