Shevchuk, Shewchuk, Schewchuk, Ševčuk, Sevcuk, Szewczuk, or Chevchuk (Ukrainian: Шевчук) is a widespread Ukrainian surname.
It is derived from the Ukrainian word shvets (Ukrainian: швець), "cobbler/shoemaker", and the suffix -uk, denoting descent.
It is also related to Shevchyk (Ukrainian: Шевчик), a less common Ukrainian surname.
The Polish version of the surname is "Szewczuk" and is used by Poles, which is also related to the Polish surname "Szewczyk".