Surname 佐 (佐 
, Zal 
) , around the globe, is a common cognomen. The surname 佐 is habitual in Brunei, where it is quite a common surname, Suriname, where it is quite a rare surname, and China. Measured by absolute frequency, it is commonest in China, Indonesia, and Myanmar. Much less frequently, 佐 is the forename as well as the last name.