Znamierowski (feminine: Znamierowska) is a Polish surname. Notable people with the surname include:
Alfred Znamierowski (1940–2019), Polish vexillologist, heraldist and journalist Czeslaw Znamierowski (1890–1977), Soviet Lithuanian painter Czesław Znamierowski (1888–1967), Polish philosopher, jurist and sociologist Nell Znamierowski (1931–2021), American textile artist Maria Znamierowska-Prüfferowa (1898–1990), Polish ethnographer