Naghi Saleh oglu Sheykhzamanli (Azerbaijani: Nağı Saleh oğlu Şeyxzamanlı; 1883 in Ganja – 1967 in Istanbul, Turkey), also known as Naki Keykurun was an Azerbaijani political figure[1] and the head of the counterintelligence service of Azerbaijan Democratic Republic within the fourth and fifth cabinets led by Nasib Yusifbeyli.

In 1905, Sheykhzamanli joined "Difai" (Defender) National Committee established by the Ahmed bey Aghayev in Ganja, which in 1917 merged with the National Party of Turkic Federalists established by Nasib Yusifbeyli into Musavat.

Upon the establishment of Azerbaijan Democratic Republic, Sheykhzamanli became an instrumental figure behind the invitation of the Ottoman forces to support the ADR government in its struggle against the Bolshevik Baku Commune.

During World War II, Sheikhzamanly, as well as other Azerbaijani exiles such as Khalil Bey Khasmmamadov, Shafi-bek Rustambekov, Fuad Emirjan considered for Azerbaijani participation in the war on the German side as the last opportunity to restore the independence of the First Republic of Azerbaijan[4] Later in life, he moved and settled with family to New Jersey, United States, where they established Azerbaijan Society of America in 1957.

Under the pen-name of Naki Keykurun, he also published a few essays in Turkish about the first Azerbaijani independence movement in Istanbul, including "The Great Philanthropist Haji Zeynalabdin Taghiyev" (1957), "The Confession" (1963), and "The Memoirs of the National Liberation Movement in Azerbaijan" (1964).