Theale railway station serves the village of Theale, England. It is measured from .
The station is served by Great Western Railway local services between and , limited semi-fast peak services between and London and a limited semi-fast service between London and , , , and .
The railway station was opened on 21 December 1847 on the first portion of what would become the Berks and Hants Line between and .
Theale has three platforms. Platforms 1 and 2 serve the up and down main line, and platform 3 is a former goods loop upgraded to passenger standards in 2011.
Plans to upgrade facilities at the station were announced in 2013 by Network Rail and GWR (including new lifts, a new pedestrian entrance and accessible footbridge, extra car parking, and a new ticket office), but the ã2.9 million project has been delayed several times and by summer 2016 was running more than three years behind schedule. The upgrade project was resumed in 2021. The accessible footbridge and lifts were completed in January 2025.
The typical off-peak service at the station in trains per hour is: