The surname Trotsky, Trotskiy, or Trotski Russian: Троцкий, feminine: Trotskaya is a toponymic surname derived from the Polish name Troki of the Lithuanian city of Trakai, literally meaning "of Troki" or "from Troki". Polish language equivalent: Trocki.
Notable people with the surname include:
Leon Trotsky (1879–1940), Bolshevik revolutionary and Marxist theorist.
Noi Trotsky (1895–1940), Soviet architect
Ivan Trotski (born 1976), Belarusian race walker
Natalia Ivanovna Trotsky, Russian revolutionary and author, the second wife of Leon Trotsky