Mirza Begić (born 9 July 1985) is a retired Bosnian-born Slovenian professional basketball player.

He made his Euroleague debut on 24 October 2007 versus the Italian League club Montepaschi Siena.

He played in the 2008 Adriatic League Final Four in Ljubljana, where his team, Union Olimpija, lost in the semifinals against Partizan Belgrade.

[1] The 2012–13 season was successful for Begić in Real Madrid, reaching the Euroleague final and winning the Spanish League.

On 20 July 2013 Begić signed a two-year contract with the back-to-back defending Euroleague champions Olympiacos of the Greek League.

[4] On 19 November 2014 he left Olimpija and signed a one-month deal with Laboral Kutxa Baskonia.

[8] On 7 December 2015 Begić signed with Spanish club Dominion Bilbao Basket for the rest of the season.

[10] On 13 August 2017 Begić signed with Petrochimi Bandar Imam of the Iranian Basketball Super League.

On 8 February 2020 he parted ways with Mornar averaging 3.6 points and 1.6 rebounds in 14 games of ABA League.