Antoniewski (feminine: Antoniewska) is a Polish surname. It derived from the Antonius (Anton, Antoni) root name. Notable people with this surname include the following:
- Franciszek Antoniewski-Raczyński (1889-1981), major geographer of the Polish Army, independence activist, Knight of the Order of Virtuti Militari
- Paweł Antoniewski (born 1943), Ukrainian musician and educator, activist of the Polish minority in Ukraine
- Rafał Antoniewski (born 1980), Polish chess player, grandmaster
- Tomasz Antoniewski, Aero AT founder
- Wiktoria Czechowska-Antoniewska (born 1929), Polish sculptor and medalist
- Witold Antoniewski (born 1919-2007) – Polish lawyer, activist, major
- Władysław Antoniewski (1862-1914), Polish actor, theatre director, and theatre manager
