Jan Dolega-Zakrzewski (7 November 1866 in Bialyszewo – 3 December 1936 in Ostrów Mazowiecka) was a Polish surveyor, political and social activist, publicist.
He was a member of the Association of the Polish Youth "Zet" and of the National League as well as mayor of Ostrów Mazowiecka (1930–1933).
Zakrzewski wrote the following:
O scalaniu gruntów czyli znoszeniu szachownic (Warsaw, 1913)
Zbiór materialów do monografii miasta Ostrowi Mazowieckiej (Urzad Miasta Ostrów Mazowiecka, Warszawa-Ostrów Mazowiecka, 2004; collection of works published posthumously)
Jan Harusewicz.
Lekarz i polityk (Warsaw, 1935, co-author)He wrote numerous articles which were published in newspapers and journals such as Gazeta Ostrowska, Gazeta Rolnicza, Ognisko, and Gazeta Warszawska.