Defamatory libel was originally an offence under the common law of England. It was established in England and Wales and in Northern Ireland. It was or is a form of criminal libel, a term with which it is synonymous.

The common law offence of defamatory libel was abolished for England and Wales and Northern Ireland on 12 January 2010.

Section 4 of the Libel Act 1843 which created an aggravated statutory offence was also repealed.

See the following cases:

This originally vested in the Court of Star Chamber. When that court was abolished, it was transferred to the Court of King's Bench.

See section 4(1) of the Theatres Act 1968 and section 166(1) of the Broadcasting Act 1990.

See section 8 of the Law of Libel Amendment Act 1888 (replacing section 3 of the Newspaper Libel and Registration Act 1881) and section 8 of the Theatres Act 1968.

See sections 6 and 7 of the Libel Act 1843 and sections 3 and 4 of the Law of Libel Amendment Act 1888.