Ljutomir of Serbia (also Lubomir) is a potentially mythological governor of Rascia during its annexation by the Byzantine Empire (sometime between 976 and 1043). His only mention is in the Chronicle of the Priest of Duklja, a dubious document dating to 1298–1300 (additions date to as late as 16th century), where it says he was "a Rascian Duke" who married a noblewoman of Bosnia; they had a daughter who married Dragomir of Doclea.

According to some, Ljutomir may be the same person as Ljutovid, the Byzantine strategos of Serbia and Hum.^[1]