Hong Kong Basic Law Article 23 requires Hong Kong to pass security legislation concerning sedition against the Chinese government.
Article 23 may also refer to:
- Law
- Article 23 in Chapter V of the United Nations Charter, which establishes the composition of the Security Council
- Article 23 of the Basic Law for the Federal Republic of Germany, the provision used for German reunification
- Article 23 of the Constitution of India, prohibiting human trafficking and forced labour
- Article 23 of the Constitution of the Netherlands, regarding freedom of education
- Others
- Article 23, a 1998 novel by William R. Forstchen