Last name 西加 (Seaga 
, 西加 
) , around the world, is a rare surname. The last name 西加 is characteristic of Jamaica, where it is quite a rare surname, South Africa, where it is a rare surname, and New Zealand, where it is a very rare surname. In absolute terms, the name is most common in South Africa, Jamaica, and Malaysia. Likewise, 西加 is the forename as well as the last name.