Dorothea of Montau (1347–1394), hermitess and visionary of 14th century Germany, canonized in 1976.

Paul Speratus (1484–1551 in Marienwerder), Catholic priest who became a Protestant preacher, reformer and hymn-writer
Eduard Heinrich von Flottwell (1786–1865), Prussian Staatsminister and Regierungspräsident of Marienwerder in 1825
Hans Adolf Erdmann von Auerswald (1792–1848), Prussian general and politician
Karl Ludwig Hencke (1793–1866 in Marienwerder), amateur astronomer and discoverer of minor planets
Rudolf von Auerswald (1795–1866), Prime Minister of Prussia
Carl Julius Meyer von Klinggräff (1809–1879), German botanist
Hermann von Dechend (1814–1890), first President of the Reichsbank
Heinrich Julian Schmidt (1818–1886), German journalist and historian of literature 
Rudolf Heidenhain (1834–1897), German physiologist
Gustav Cohn (1840–1919), German economist, particularly re.
public finance
Elard von Oldenburg-Januschau (1855-1937 in Marienwerder), German Junker and conservative politician.

Kurt Rosenfeld (1877–1943), lawyer and politician
Józef Krasnowolski (1879–1939), Polish painter
Fritz Goerdeler (1886–1945), German jurist and resistance fighter; mayor 1920-33
Joachim Witthöft (1887–1966), general
Kurt-Jürgen Freiherr von Lützow (1892–1961), general
Ida Siekmann (1902–1961) nurse, first victim of Berlin Wall
Ernst Schiffner (1903–1980), German actor and director
Ernst Tillich (1910–1985), German theologian
Bernard Friese (1927–2010), co-founder of Gilbern cars
Hardy Rodenstock (born 1941), music publisher and manager; dealer in old and rare wine
Wiesław Hartman (born 1950), Polish show jumping equestrian, silver medallist in the 1980 Summer Olympics
Wojciech Belon (1952–1985), Polish poet, songwriter and folksinger
Izabela Tomaszewska (1955–2010), Polish government official and archeologist
Tomasz Piotr Nowak (born 1956), Polish politician
Jacek Borcuch (born 1970), Polish actor and film director
Marek Szulen (born 1975), Polish composer of electronic music, lives in the Netherlands
Maciej Silski (born 1976), Polish singer
Dorothea of Montau (1347–1394), hermitess and visionary of 14th century Germany, canonized in 1976.
Paul Speratus (1484–1551 in Marienwerder), Catholic priest who became a Protestant preacher, reformer and hymn-writer
Eduard Heinrich von Flottwell (1786–1865), Prussian Staatsminister and Regierungspräsident of Marienwerder in 1825
Hans Adolf Erdmann von Auerswald (1792–1848), Prussian general and politician
Karl Ludwig Hencke (1793–1866 in Marienwerder), amateur astronomer and discoverer of minor planets
Rudolf von Auerswald (1795–1866), Prime Minister of Prussia
Carl Julius Meyer von Klinggräff (1809–1879), German botanist
Hermann von Dechend (1814–1890), first President of the Reichsbank
Heinrich Julian Schmidt (1818–1886), German journalist and historian of literature 
Rudolf Heidenhain (1834–1897), German physiologist
Gustav Cohn (1840–1919), German economist, particularly re. public finance
Elard von Oldenburg-Januschau (1855-1937 in Marienwerder), German Junker and conservative politician.
Kurt Rosenfeld (1877–1943), lawyer and politician
Józef Krasnowolski (1879–1939), Polish painter
Fritz Goerdeler (1886–1945), German jurist and resistance fighter; mayor 1920-33
Joachim Witthöft (1887–1966), general
Kurt-Jürgen Freiherr von Lützow (1892–1961), general
Ida Siekmann (1902–1961) nurse, first victim of Berlin Wall
Ernst Schiffner (1903–1980), German actor and director
Ernst Tillich (1910–1985), German theologian
Bernard Friese (1927–2010), co-founder of Gilbern cars
Hardy Rodenstock (born 1941), music publisher and manager; dealer in old and rare wine
Wiesław Hartman (born 1950), Polish show jumping equestrian, silver medallist in the 1980 Summer Olympics
Wojciech Belon (1952–1985), Polish poet, songwriter and folksinger
Izabela Tomaszewska (1955–2010), Polish government official and archeologist
Tomasz Piotr Nowak (born 1956), Polish politician
Jacek Borcuch (born 1970), Polish actor and film director
Marek Szulen (born 1975), Polish composer of electronic music, lives in the Netherlands
Maciej Silski (born 1976), Polish singer
Kwidzyn