Cognomen Tagul (Tagul 
, ทากุล 
) , in the entire world, is a very rare surname. The cognomen Tagul is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and Philippines. In absolute terms, the name is most common in Thailand, Nigeria, and Philippines. More frequently, Tagul is the forename as well as the last name.