Sir Reginald Louis Secondé KCMG CVO (28 July 1922 – 26 October 2017) was a British diplomat who served as Ambassador to Chile, Romania and Venezuela.
He was the son of Lt-Colonel Emile Charles Secondé and Dorothy Kathleen (née Sutherland).
Secondé was educated at Beaumont and King's College, Cambridge.
He served during the Second World War as a Major in the Coldstream Guards.
Predeceased by his wife, Secondé had one son, two daughters and grandchildren.