Azhar bin Azizan Harun, also known as Art Harun, is a Malaysian politician and lawyer who served as the 10th Speaker of the Dewan Rakyat from July 2020 to December 2022 and the 9th Chairman of the Election Commission (EC) from September 2018 to his resignation in June 2020.

The Speaker of the Dewan Rakyat is the highest-ranking presiding officer of the Dewan Rakyat, the lower house of the Parliament of Malaysia. They are responsible for convening sessions of the Dewan Rakyat, organising debates, and examining the admissibility of petitions, bills, and amendments. In the absence of the Speaker, one of their deputies will take their place.