Sorkheh (Persian: سرخه) is a city in the Central District of Sorkheh County, Semnan province, Iran, serving as capital of both the county and the district. Sorkhei, a Semnani dialect and language, is still spoken by some of its inhabitants.

At the 2006 census, its population was 9,062 in 2,686 households, when it was in the former Sorkheh District of Semnan County). The following census in 2011 counted 9,711 people in 3,045 households. The latest census in 2016 showed a population of 9,951 people in 3,388 households, by which time the district had been separated from the county in the establishment of Sorkheh County, with Sorkheh as its capital.

Notable people

• Abbas Ali Akhtari, Shia Cleric & Politician
• Hassan Rouhani (born 1948), 7th President of Iran
• Sahebeh Rouhani (born 1954), Iran's first lady (Hassan Rouhani's wife)
• Hossein Fereydoun (born 1957), Iranian politician.
• Ali Asqar Peyvandi (born 1962), Iranian physician and politician.
• Ruhollah Isari (born 1992), Futsal player.