The Treason Act 1488 (4 Hen. 7. c. 18) was an act of the Parliament of England passed in 1488. It made it high treason to counterfeit coinage from other countries. (It was already treason to counterfeit English coins, under the Treason Act 1351 (25 Edw. 3 Stat. 5. c. 2).)
The act was repealed by the Treason Act 1553 (1 Mar. Sess. 1. c.1) but the offence was created by another act passed later in the same year which recreated the offence, the Treason (No. 2) Act 1553 (1 Mar. Sess. 2 c. 6).
The act was extended to Ireland by Poynings' Law 1495 (10 Hen. 7. c. 22 (I)).
The whole act was repealed for England and Wales by section 1 of, and the schedule to, the Statute Law Revision Act 1863 (26 & 27 Vict. c. 125), which came into force on 28 July 1863.
The whole act was repealed for Ireland by section 1 of, and the schedule to, the Statute Law (Ireland) Revision Act 1872 (35 & 36 Vict. c. 98), which came into force on 10 August 1872.