Cognomen Якса (Jaxa 
, Якса 
) , globally, is quite a rare last name. The family name Якса is characteristic of South Africa, where it is quite a rare surname, Switzerland, where it is a rare surname, and Germany, where it is a very rare surname. Measured by absolute frequency, the name is most common in South Africa, Germany, and Argentina. Also, Якса is the forename as well as the last name.