The Supreme Macedonian-Adrianople Committee (SMAC),, also known as the Supreme Macedonian Committee was a Bulgarian paramilitary and political organization, active in Bulgaria as well as in Macedonia and Thrace regions of the Ottoman Empire. It was based in Bulgaria from 1895 to 1905. Macedonian Bulgarian and Thracian Bulgarian emigrants in Bulgaria, led by Trayko Kitanchev, formed in 1895 the Macedonian-Adrianople Organization, at the head of which was the Supreme Macedonian-Adrianople Revolutionary Committee. Its official aim was achieving autonomy for the Macedonia and Adrianople regions. At the same time, being impatient for the liberty to come sooner, and strongly convinced that it would come only with the help of the Bulgarian Army. Later they directed their efforts in activities for involving the country into war with the Ottoman Empire as for example during the Supreme Macedonian Committee chetas' action in 1895, and the Gorna Dzhumaya Uprising in 1902. As a rule its leaders were members of the Bulgarian Officers' Brotherhoods and had strong connections with the governments. At the end their main idea was, waging struggle for a direct unification with Bulgaria.

Bulgarians are a nation and South Slavic ethnic group native to Bulgaria and its neighbouring region, who share a common Bulgarian ancestry, culture, history and language. They form the majority of the population in Bulgaria, while in North Macedonia, Ukraine, Moldova, Serbia, Romania, Hungary, Albania, Turkey and Greece they exist as historical communities.