Janša

Janša is a Slovene surname. Notable people with the surname include:


 * Anton Janša (1734–1773), Slovenian apiculturist and painter
 * Janez Janša (born in 1958 as Ivan Janša), Slovenian politician and former Prime Minister of Slovenia
 * Janez Janša (born in 1964 as Emil Hrvatin), Slovenian author, director and performer
 * Janez Janša (born in 1973 as Žiga Kariž), Slovenian visual artist
 * Janez Janša (born in 1970 as Davide Grassi), Slovenian performance artist
 * Leopold Jansa, Bohemian composer
 * Tone Janša (born in 1943), Slovenian jazz musician