Tymoshenko () or Timoshenko () is a surname of Ukrainian origin. It derives from the Christian name Timothy, and its Ukrainian derivatives, Tymofiy or Tymish. The surname, Tymoshenko, was created by adding the Ukrainian patronymic suffix, -enko, meaning someone of Tymish, usually the son of Tymish.
Famous Tymoshenkos or Timoshenkos
Stephen Timoshenko (1878–1972), Ukrainian engineer (born in the Russian Empire), father of modern engineering mechanics
Semyon Timoshenko (1895–1970), Marshal of the Soviet Union, senior Red Army officer at the time of the German invasion of 1941