Boban Marjanović (Serbian Cyrillic: Бобан Марјановић; born August 15, 1988) is a Serbian professional basketball player for the Los Angeles Clippers of the National Basketball Association (NBA). He also represents the Serbian national basketball team in international competitions. Standing at 7 ft 3 in (2.21 m), he plays the center position. In 2015, Marjanović earned an All-EuroLeague First Team selection.
Marjanović began playing basketball with the youth teams of Boljevac-based club Rtanj. At the age of 14, he moved to Serbian professional team Hemofarm. He was already 2.09 m (6 ft 10 ⁄2 in) tall at the time. He played in their youth categories until the 2005–06 season.
Marjanović joined Hemofarm's first team, playing in the Adriatic League, in the second half of the 2005–06 season. He played there until January 2007 when he was loaned to the Serbian League team Swisslion Takovo. After half a season there, he returned to Hemofarm. In the following seasons, he played an important role for his team. His teammates included Stefan Marković and Milan Mačvan, with whom he had played on the Serbian junior national team.