Sivac (Serbian Cyrillic: Сивац) is a village in Serbia. It is situated in the Kula municipality, in the West Bačka District, Vojvodina province. The village has a Serb ethnic majority and its population numbering 8,992 people (2002 census).
- in Hungarian: Szivác
- in German Siwatz (Alt-Siwatz (old S.) and Neu-Siwatz (new S.))
Ethnic groups (2002 census)
- 1961: 11,448
- 1971: 10,469
- 1981: 9,979
- 1991: 9,514
- 2002: 8,992
- Slobodan Ćurčić, Broj stanovnika Vojvodine, Novi Sad, 1996.
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Coordinates: 45°42′N 19°23′E / 45.700°N 19.383°E