Jacek Maria Dehnel (born 1 May 1980 in Gdańsk, Poland) is a Polish poet, writer, translator and painter.

[citation needed] Dehnel has published his poems in various literary magazines, including Kwartalnik Artystyczny, Studium, Przegląd Artystyczno-Literacki, Topos, Tytuł, Undergrunt.

Between September 2006 and July 2009, he was a co-host of cultural programme ŁOSssKOT broadcast on TVP1 (together with musician Tymon Tymański and journalist Maciej Chmiel).

Dehnel has translated poetry of such poets as Osip Mandelshtam, W. H. Auden, Mary Oliver – unpublished, and Philip Larkin, George Szirtes – published.

In 2018, he married his long-term partner, translator and historian Piotr Tarczynski, in Wandsworth Town Hall in London.