Ordinance can mean:

• That which is ordained or decreed by fate or a deity such as Dharma of Buddism
• A law made by a non-sovereign body such as a city council or a colony.
• In France and India, a regulation adopted by the executive in a domain normally reserved for statute law after the authorization of parliament.
• A piece of internal regulation in a university
• An important ritual within Mormonism

It should not be confused with ordnance, which describes ammunition, explosive devices and similar items. See also Ordnance Survey; Master-General of the Ordnance.