Janowicz
Janowicz (Polish pronunciation: [jaˈnɔvit͡ʂ]) is a Polish language patronymic surname of East Slavic origin, literslly meaning "son of Jan". The Yiddish-language variant is Janowitz. Notable bearers include:
- Jerzy Janowicz (born 1990), Polish professional tennis player
- Mikolaj Janowicz Kiezgajlo, Lithuanian: Mykolas Kęsgaila Valimantaitis (died c. 1450), Lithuanian nobleman from Deltuva
- Ryszard Pędrak-Janowicz (1932–2004), Polish luger
- Sokrat Janowicz (1936–2013), Polish writer of Belarusian descent
- Stanislaw Janowicz Kiezgajlo (died 1527), Lithuanian nobleman
- Victor Felix "Vic" Janowicz (1930–1996), American football halfback