Niall Charles Harrington (23 January 1901 – 18 September 1981), born in Dublin, was an Irish soldier, officer, military intelligence director, writer and broadcaster, campaigner for the memory of Charles Stuart Parnell and a union representative.
His military career spanned the period from the War of Independence through to his retirement as a senior intelligence officer in 1959. During this time he wrote and narrated various historical features for different media. His Civil War memoirs were developed into a book, Kerry Landing, which was extended and published posthumously.