Marko Simonović (Serbian Cyrillic: Марко Симоновић; born October 15, 1999) is a Montenegrin professional basketball player for Bahçeşehir Koleji of the Basketbol Süper Ligi (BSL) and EuroCup.

Simonović started playing professional basketball for Italian lower-league club PMS Moncalieri in 2015.

[6][7] On 9 August, he made his debut in the Summer League in a 94–77 loss to the New Orleans Pelicans in which he posted 13 points and 5 rebounds in 15 minutes.

[10][11] On 22 November, Simonović made his NBA debut in a 109–77 loss to the Indiana Pacers in which he posted one point and one rebound in 7 minutes.

[17] On June 15, 2024, he signed with Bahçeşehir Koleji of the Basketbol Süper Ligi (BSL).