Battlestar could refer to:
- Battlestar Galactica, A multimedia television franchise created by Glen A. Larson.
- Battlestar Galactica (1978), The original 1978 Battlestar Galactica TV series.
- Battlestar Galactica (2003), The 2003 Battlestar Galactica mini-series event.
- Battlestar Galactica (2004), The 2004 Battlestar Galactica regular series on Syfy.
- Battlestar Galactica: Razor, A 2007 TV movie based on the 2004 series.
- Battlestar-class, A classification of warship featured in the Battlestar Galactica franchise.
- Lemar Hoskins, A Marvel Comics superhero; Code name: Battlestar.