Turchin

Turchin is a surname of Slavic origin, found in Russia, Ukraine, Belarus, and among diaspora communities in North America and Israel. The name is commonly understood to be ethnonymic, derived from the word for Turk in Slavic languages, with the suffix -in forming a family name or relational designation. As such, it may have described someone of Turkic origin, or an individual associated with Turkish peoples at some point in history. Variants of the surname in transliteration include Turchin and Turchin.

Peter Turchin (born 1957) is a notable bearer of the name. He is a Russian-born American scientist and professor at the University of Connecticut, known for developing cliodynamics, the computational study of historical dynamics, and for his writings on social and political cycles, including War and Peace and War.

In scholarly and genealogical contexts, Turchin is cited as an example of how ethnic or geographic labels can become hereditary surnames through Slavic naming patterns. The name has appeared in historical documents and contemporary records in multiple countries, reflecting migration and diaspora.