Admiral of the Fleet Sir Rhoderick Robert McGrigor,  (12 April 1893 – 3 December 1959) was a senior Royal Navy officer. He fought in the First World War and saw action during the Gallipoli Campaign and then the Battle of Jutland.
Admiral Sir Rhoderick McGrigor, a prominent Royal Navy commander, served in World War I and played a role in the Gallipoli Campaign and the pivotal naval battle of Jutland.