Jansa
Jansa or Janša is the family name of the following people:
- Alfred Jansa (1884–1963), Austrian military
- Bernhard Jansa (1901–1967), German Protestant clergyman
- Janez Janša (* 1958), Slovenian politician
- Joško Janša (1900–1960), Slovene-Yugoslav cross-country skier
- Leopold Jansa (1795–1875), Czech-Austrian violinist
- Milan Janša (* 1965), Slovenian rower
- Sharon A. Jansa (PhD 1998), American zoologist
- Tone Janša (* 1943), Slovenian jazz musician
- Václav Jansa (1859–1913), Czech painter
- Vlastimil Jansa (* 1942), Czech chess grandmaster
