Abstract: An umbrella rack for motor vehicles, including a casing defining a chamber and having a plurality of top holes in communication with the chamber, a plurality of telescopic sockets respectively mounted in the top holes of the casing for holding an umbrella respectively, a sliding water tray mounted in the chamber of the casing for collecting water from the umbrellas being mounted in the top holes of the casing, and a mounting device adapted for securing the casing to the backrest of a vehicle chair.