Gloucester TMD is a traction maintenance depot located in Gloucester, Gloucestershire, England. The depot is situated on the Great Western Main Line and is on the north side of the line to the east of Gloucester station.
The depot code is GL.
Around 1987, the depot had an allocation of Class 08s and two Class 97 departmental shunters. The depot was also used for stabling Classes 31, 45, 47 and 50 locomotives.
As of 2016, the depot has no allocation. It is, instead, a stabling point for Great Western Railway Class 158 Sprinters.