Janko is a Slavic male given name, of South Slavic origin, predominantly used among speakers of Serbo-Croatian and Slovene languages. It is derived from the Slavic root 'janka', which means 'young'. Janko can also be found in other Slavic languages like Russian and Polish. Traditionally, Janko has been a popular name in the Balkans and parts of Eastern Europe.
"Janko was a popular baby boy name in 2014 with five babies sharing it that year."