Powell is a traditional Welsh surname said to mean "Son of the Servant of St. Paul,". The Welsh term "ap" means "son of", hence Ap Hywel was eventually spelled as Powell.

English physicist who discovered the pion (the first known meson) which is a subatomic particle involved in holding the nucleus together (1903-1969)

United States general who was the first Black to serve as Chief of Staff; later served as Secretary of State under President George W. Bush (born 1937)