Iranian Turkmens are a branch of Turkmen people living mainly in northern and northeastern regions of Iran. Their region is called Turkmen Sahra and includes substantial parts of Golestan Province of Iran. The number of Turkmens in Iran is estimated at 0.5 to 2.4 million people.

Turkmens are a Turkic ethnic group native to Central Asia, living mainly in Turkmenistan, northern and northeastern regions of Iran and north-western Afghanistan. Sizeable groups of Turkmens are found also in Uzbekistan, Kazakhstan, and the North Caucasus. They speak the Turkmen language, which is classified as a part of the Eastern Oghuz branch of the Turkic languages.