Cognomen 吉君 (Jijun 
, 吉君 ) , around the world, is a rare family name. The last name 吉君 is habitual in Georgia, where it is a very rare surname, China, and Malaysia. Not in comparison with a country's population, the name is most common in China, Malaysia, and the United States. Predominantly, 吉君 is the forename as well as the last name.