The Obscene Publications Act is the name of several United Kingdom Acts of Parliament.
- Obscene Publications Act 1857
- Obscene Publications Act 1959
- Obscene Publications Act 1964
Note: Irish law diverged from UK law in 1929, replacing the OPA 1857 with a new Irish act: see Irish censorship law.
Important events in UK obscenity law:
- 1960: Lady Chatterley's Lover obscenity trial
- 1971: Schoolkids' Oz obscenity trial
- British Board of Film Classification
- Lord Chamberlain's office
- Video Recording Act 1984