A supreme leader or supreme ruler is a powerful figure with an unchallenged authority.
Supreme Leader or Supreme Ruler may also refer to:
Politics
Apu Mallku, Supreme Leader title of the Aymara people
Cihuacoatl (position), a supreme leader in the Aztec Empire
Paramount leader, the supreme leader of the People's Republic of China
Supreme Leader of Afghanistan, first held by Mullah Omar from 1996 to 2001; also used in exile during the Taliban insurgency
Supreme Leader of Iran (rahbar), the highest-ranking political and religious authority in the constitution of the Islamic Republic of Iran
Supreme Leader (North Korean title), an honorary title given to the incumbent General Secretary of the Workers' Party of Korea and President of the State Affairs Commission, the highest-ranking position of ruling party and government
Supreme Ruler of Russia, head of state and supreme commander-in-chief of the Russian State, established by the White Movement during the Russian Civil War
Fiction
Supreme Leader Snoke, a character from the Star Wars franchise
Kylo Ren, a character from the Star Wars franchise
Supreme Ruler (video game)
El jefe máximo (The Supreme Leader), 1940 Mexican film