This is a list of individual who served as Lord Lieutenant of Caernarvonshire.
Since 1778, all Lord Lieutenants have also held the position of Custos Rotulorum of Caernarvonshire.
The office was abolished on 31 March 1974 and succeeded by the position of Lord Lieutenant of Gwynedd.
The number of Deputy Lieutenants can vary based on the country's population.
Their appointment remain effect despite changes in the Lord Lieutenant, although they typically retire at the age of 75.