Cognomen ซีนา (Sina 
, ซีนา 
, Seesena ) , globally, is a common surname. The last name ซีนา is characteristic of Albania, where it is a common surname, Kosovo, where it is quite a common surname, and Algeria, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in India, Indonesia, and Nigeria. Likewise, ซีนา is the forename as well as the last name.