The Piracy Act 1721 (8 Geo. 1. c. 24) was an act of the Parliament of Great Britain.
The long title and preamble of the act were:
The act was made perpetual by section 7 of the Unlawful Games Act 1728 (2 Geo. 2. c. 28).
Parts of the act were superseded by the Piracy Act 1837 (7 Will. 4 & 1 Vict. c. 88).
The remaining parts of the act were repealed on 5 November 1993 by the Statute Law (Repeals) Act 1993.