Aleksandar Šapić is a Serbian politician and former professional water polo player who served as mayor of Belgrade from 20 June 2022 to 30 October 2023. A member and current vice-president of the Serbian Progressive Party (SNS), Šapić had previously served as president of the New Belgrade municipality from 2012 to 2022.

The Mayor of Belgrade is the head of the City of Belgrade. The Mayor acts on behalf of the city, and performs an executive function in the City of Belgrade. The position is important as the city is the most important hub of economy, culture, science and technology in Serbia.