Petros Gkaidatzis (born 25 November 2000) is a Greek rower.

He won a bronze medal at the 2024 Summer Olympics in the lightweight double sculls.

A member of the Greek lightweight double sculls team since 2018, he started rowing with Antonios Papakonstantinou in 2023.

[3] In May 2023 at the 2023 European Rowing Championships in Bled, Slovenia, Gkaidatzis took bronze together with Antonios Papakonstantinou in the lightweight double sculls.

[5] Competing at the 2024 Summer Olympics in Paris, the duo qualified through the preliminary rounds to reach the final.