Aluminium oxides or aluminum oxides are a group of inorganic compounds with formulas including aluminium (Al) and oxygen (O).

• Aluminium(I) oxide (Al₂O)
• Aluminium(II) oxide (AlO) (aluminium monoxide)
• Aluminium(III) oxide (aluminium oxide), (Al₂O₃), the most common form of aluminium oxide, occurring on the surface of aluminium and also in crystalline form as corundum, sapphire, and ruby.

This set index article lists chemical compounds articles associated with the same name.
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