Žiga is a Slovene given name, a form of Sigmund. Notable people include:
- Žiga Jeglič (born 1988), Slovenian ice hockey player
- Žiga Kariž (born 1973), Slovenian painter
- Žiga Pavlin (born 1985), Slovenian ice hockey player
- Žiga Hirschler (1894–1941), Croatian composer
- Žiga Pance (born 1989), Slovenian ice hockey player