Jakub Popiwczak (born 17 April 1996) is a Polish professional volleyball player who plays as a libero for Jastrzębski Węgiel and the Poland national team.

Popiwczak won a silver medal at the 2022 World Championship.

[1] In 2012, he joined Jastrzębski Węgiel and debuted in the Polish PlusLiga.

In 2013, his club won a bronze medal of the Polish Championship.

[2] On 23 March 2014, Popiwczak with his teammates beat Zenit Kazan in a match for third place of the 2013–14 CEV Champions League held in Ankara and won the bronze medals.