Sir Roland Giffard Oliver, MC (5 May 1882 – 14 March 1967) was an English barrister and High Court judge.
During the First World War, Oliver served with the Royal Field Artillery, and received the Military Cross.
These included the 1922 trial of Edith Thompson and Frederick Bywaters for murder, and the "Mr A."
In 1931, he unsuccessful defended William Herbert Wallace on a charge of murder, although the jury verdict was exceptionally quashed on appeal.
In addition, he was a member of the 1936 inquiry into the leakage of the Budget, and chaired a committee on court martial procedure in 1938.