Miloš Obilić (Милош Обилић, mîloʃ ôbilit͡ɕ) was a legendary Serbian knight who is reputed to have been in the service of Prince Lazar during the Ottoman invasion of Serbia in the late 14th century. He is not mentioned in contemporary sources, but features prominently in later accounts of the 1389 Battle of Kosovo as the assassin of Sultan Murad. Although the assassin remains anonymous in sources until the late 15th century, the dissemination of the story of Murad's assassination in Florentine, Serbian, Ottoman and Greek sources suggests that versions of it circulated widely across the Balkans within half a century of the event.
Although his original name was Miloš Kobilić, several variants of this name appear in historical sources and it is not certain that he actually existed. But Lazar's family – strengthening their political control – "gave birth to the myth of Kosovo", including the story of Obilić. He became a major figure in Serbian epic poetry, in which he is elevated to the le