The 6th Ulster Trophy was a non-championship Formula One motor race held at the Dundrod Circuit on 7 June 1952.

The race was won from pole position by Piero Taruffi in a Ferrari 375, setting fastest lap in the process.

Mike Hawthorn in a Cooper T20-Bristol was second and Joe Kelly third in an Alta GP.

[1][2] 1Neither Fangio nor Moss recorded a time but were allowed to start from the rear of the grid.