Freebooter may refer to:
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Look up freebooter in Wiktionary, the free dictionary.
- Marine freebooters, or pirates
- Filibuster (military), an individual who engages in unauthorized warfare against foreign countries
- Rapparee, the Irish usage
- Meadowbrook Freebooters, American polo team
- Freebooter (comics), a fictional character
- Freebooters F.C., a former Irish football team
- A form of copyright infringement