Petar Aleksic, (born Nov 2, 1968) is a Bosnian professional basketball coach and former player. Since 2013, he has coached Switzerland's national basketball team, which he led to a surprise victory over Russia at the 2015 EuroBasket qualification. Also, he is the current head coach of Fribourg Olympic in Switzerland.

As a professional player, he played in the Federal Republic of Yugoslavia, Hungary, Switzerland and Bosnia and Herzegovina. After his retirement as a player he won the German Basketball Championship as assistant coach of Alba Berlin. He also coached BBC Feldkirch Baskets in Austria and several Swiss teams as head coach.