Sir Algar Henry Stafford Howard KCB KCVO MC TD (7 August 1880 – 14 February 1970) was a senior British Army officer and long-serving officer of arms at the College of Arms in London. He served as the Garter Principal King of Arms from 1944 to 1950 before retiring. He was the third consecutive Fitzalan Pursuivant of Arms Extraordinary to attain the highest rank at the College of Arms.