Family name Sajuna (Sajuna 
) , globally, is a very rare cognomen. The surname Sajuna is habitual in Singapore, where it is a rare surname, Indonesia, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Indonesia, Singapore, and India. More frequently, Sajuna is the forename as well as the last name.