Dejan Milojević (Serbian Cyrillic: Дејан Милојевић; born 15 April 1977) is a Serbian professional basketball coach and former player who currently serves as an assistant coach for Golden State Warriors of the National Basketball Association (NBA) as well as an assistant coach for the Serbian national team.

Standing at 6 ft 7 in (2.01 m), he played in the power forward position for domestic league teams FMPBudućnost, and Partizan, as well as for Pamesa Valencia in Spain, and Galatasaray in Turkey. He was named the Adriatic League Most Valuable Player Award three times in a row. Milojević played on the Serbia and Montenegro national team, winning a gold medal in the EuroBasket in 2001.

Three years after his playing career ended in 2009, Milojević became a head coach for Mega Basket of the Adriatic Basketball Association (ABA). There he coached Nikola Jokić, a future NBA All-Star player and NBA MVP. In the 2015–16 season, he coached the Mega to their first-ever national title, the Serbian Cup, and the only ABA League finals. In 2021, he won Montenegrin League and Montenegrin Cup titles with Budućnost.,