Wojciechowski
Wojciechowski ([vɔi̯t͡ɕɛˈxɔfski]; feminine: Wojciechowska [vɔi̯t͡ɕɛˈxɔfska]; plural Wojciechowscy [vɔi̯t͡ɕɛˈxɔfst͡sɨ]) is the 16th most common surname in Poland (66,879 people in 2009) and also the third most common in Greater Poland (12,928). It is derived from the Polish first name Wojciech.