Admiral Sir Anthony Monckton Synnot, was a senior officer in the Royal Australian Navy, who served as Chief of the Defence Force Staff from 1979 to 1982.

Admiral is the highest active rank of the Royal Australian Navy and was created as a direct equivalent of the British naval rank of admiral. It is a four-star rank. Since 1968, generally the only time the rank is held is when the Chief of the Defence Force is a navy officer.