Jan Koszczyc Witkiewicz

{{short description|Polish architect and conservator}}

Jan Witkiewicz Koszczyc (16 March 1881 – 26 October 1958) was a Polish architect and conservator.{{cite book |last1=Curl |first1=James Stevens |last2=Wilson |first2=Susan |title=A Dictionary of Architecture and Landscape Architecture |date=2015 |publisher=Oxford University Press |isbn=9780199674985 |page=845 |edition=3rd |url=https://www.oxfordreference.com/view/10.1093/acref/9780199674985.001.0001/acref-9780199674985-e-7110?rskey=wCGyKp&result=6083}}{{cite journal |last1=Zachwatowicz |first1=J. |title=Jan Witkiewicz-Koszczyc (1881-1958) |journal=Ochrona Zabytków |date=1958 |volume=11 |issue=3–4 |page=285 |url=https://www.infona.pl/resource/bwmeta1.element.desklight-4778bc26-76f6-4279-b03c-f4d968629ff3/content/partDownload/556f85fd-8142-31bf-8347-daaddd985654 |issn=0029-8247}}

He was born in Rudamina (Urdomin) and died in Warsaw.