Qanun or Kanun may refer to:
- Qanun (instrument), a large zither played in and around the Middle East
- Qanun (law), laws promulgated by Muslim sovereigns, in particular the Ottoman Sultans, in contrast to shari'a, the body of law elaborated by Muslim jurists
- Qanun (newspaper), an Iranian newspaper published in London between 1890 and 1898
- Kanun (Albania), the traditional clan law of Albania
- Kanun (Mandaean month), a month of the Mandaean calendar