Eoin Treacy (born 28 October 1998) is an Irish rally co-driver.

Having debuted as a co-driver on the international scene in 2022, Treacy completed a meteoric rise from a Ford Fiesta Rally4 car in the 2022 British Rally Championship through a European Rally Championship placement alongside Jon Armstrong in a Ford Fiesta Rally2 car in 2024.

[1] At the end of 2024, Treacy was announced as the co-driver of Josh McErlean to compete for M-Sport Ford in the 2025 World Rally Championship.

[2] This would also be his WRC top level debut.

This biographical article related to European rallying is a stub.