Czaja

Czaja is a surname. Notable people with the surname include:


 * Dominik Czaja (born 1995), Polish rower
 * Emile Czaja (1909–1970), Australian-Indian wrestler
 * Herbert Czaja (1914–1997), German politician
 * Jakub Czaja (born 1980), Polish athlete
 * Mario Czaja (born 1975), German politician
 * Mary Czaja (born 1963), American businesswoman and politician
 * Wiesław Czaja (born 1952), Polish volleyball player and coach
 * Zbigniew Czaja (born 1958), Polish slalom canoeist