What is "janowicz"

Janowicz is a Polish language surname. Notable bearers include:

• Jerzy Janowicz (born 1990), Polish professional tennis player
• Mikolaj Janowicz Kiezgajlo, (died c. 1450), Lithuanian nobleman from Deltuva
• Ryszard Pędrak-Janowicz (1932, Lwów – 2004, Kraków), Polish luger
• Stanislaw Janowicz Kiezgajlo (died 1526), Lithuanian nobleman
• Victor Felix "Vic" Janowicz (1930–1996), American football halfback