Jakub Żulczyk (born 12 August 1983) is a Polish writer and journalist who writes for Elle, Machina, Przekrój and Onet.pl. He lives in Warsaw.

Żulczyk and Monika Powalisz wrote the script to the popular crime TV series Belfer.

His first book Zrób mi jakąś krzywdę... was published in 2006. He was nominated to the Paszport Polityki Award in 2014 for Ślepnąc od świateł ("Blinded by the Lights") and to the Literary Award of Warmia and Masuria in 2017. He is the winner of the 2018 Literary Award of the Capital City of Warsaw.

His 2022 novel Informacja zwrotna was adapted into a Netflix television series called Feedback.