Groza is a Romanian surname. Notable people with the surname include:
Aleksander Groza (1807–1875), Polish poet and writer Alex Groza (1926–1995), American basketball player Ana Maria Groza (born 1976), Romanian racewalker Anca Groza (born 23 1956), Romanian swimmer Loredana Groza (born 1970), Romanian singer Lou Groza (1924–2000), American footballer, Hall of Fame placekicker for the Cleveland Browns Lou Groza Award, annual college football award for best placekicker Petru Groza (1884–1958), Romanian politician