Péter Prohászka (born 13 January 1992) is a Hungarian chess grandmaster.

[2] He won the Xtracon Open in 2014 and the Fano Chess Festival twice.

[5] In 2019, Prohászka won the US Thanksgiving Open tied with Illia Nyzhnyk and Cemil Can Ali Marandi.

[6] In 2021, Prohaszka tied for first place with IM Christopher Yoo in the Memorial Day 2021 CCCSA GM Norm Invitational tournament.

[7] This biographical article relating to a Hungarian chess figure is a stub.