Jan Knothe (18 February 1912 in Winnica – 19 December 1977 in Warsaw) was a Polish architect, artist, graphic designer,[1] writer, poet and diplomat (Belgium, Syria).

Having mastered the Mahabharata poetry form, Knothe wrote a narrative poem about The Brave Sailor John Scolvus (Opowieść o dzielnym żeglarzu Janie z Kolna), as well as, with Stanisław Michalski, worked on woodcuts, bookplates and camp stamps.

As an architect, Jan Knothe worked with a team of architects during the decade after World War II, carrying out the most important architectural investments for Warsaw: Knothe was the laureate of many construction competitions during the years following World War II: co-author of the Mausoleum-Monument of Victory, Piłsudski Square, Ministry of Industry, SPOŁEM and PZM Headquarters, Warsaw-Okęcie Airport (1947 building), reconstruction of St. Alexander's Church, Powszechny Dom Handlowy and the Ministry of Agriculture.

He was also an assistant at the Drawing Department of the Faculty of Architecture at the University of Technology in Warsaw, headed by Zygmunt Kamiński.

Created his own artistic style, entwining thick hatches with clusters of dots.