•
Colin Powell (1937–2021), former U.S. Secretary of State, Chairman of the Joint Chiefs of Staff and 4-star general •
Donald Powell (1896–1942), British India Army officer who was awarded the D.S.O. •
Enoch Powell (1912–1998), British WWII colonel and politician •
George Gabriel Powell (1710–1779), provincial politician and militia colonel of the colony of South Carolina •
James R. Powell (American city founder) (1814–1883), Alabama state militia colonel and politician •
William Edward Powell (1788–1864), Colonel of the Royal Cardiganshire Militia, politician, Sheriff, Lord Lieutenant, and British MP •
William Thomas Rowland Powell (1815–1878), Colonel of the Royal Cardiganshire Militia, politician, and British MP • Robert M. Powell (19th century), Confederate colonel in the American Civil War who commanded the
5th Texas Infantry Regiment • Colonel Powell (17th century), Royalist officer in the English Civil War who fought at
Pembroke Castle •
Leven Powell (1737–1810), colonial lieutenant colonel in the Continental Army •
John Wesley Powell (1834–1902), Union brevet lieutenant colonel, geologist and geographer ==Fictional characters==