Family name 伦科 (Renko 
, 伦科 
) , all over the world, is quite a rare cognomen. The family name 伦科 is characteristic of Slovenia, where it is quite a common surname, Finland, where it is quite a rare surname, and Croatia. Measured by absolute frequency, it is commonest in Japan, the United States, and Finland. Also, 伦科 is the forename as well as the last name.