Aleksandar Kukolj (Serbian Cyrillic: Александар Кукољ; born 9 September 1991) is a Serbian judoka.

He won gold medals at the 2016 Abu Dhabi Grand Slam and the 2016 Tokyo Grand Slam.

Kukolj won World Cups in Lisbon in 2012 and won the Panam Open in San Salvador in 2014 and the 2013 Mediterranean Games.

Kukolj competed at the 2016 Summer Olympics in Rio de Janeiro, in the men's 90 kg.

This biographical article related to Serbian judo is a stub.