Namesakes
Neil Armstrong
(m) 1930-2012 
Notable Explorers and Adventurers
Louis Armstrong
(m) 1901-1971
Notable Musicians
Lance Armstrong
(m) 1971-
Notable Athletes (cycling)
Billie Joe Armstrong
(m) 1972-
Notable Musicians
Rock and Roll Hall-of-Famers 2015 Green Day
Dido
(a.k.a. Armstrong) (f) 1971-
Notable Musicians
Henry Armstrong
(m) 1912-1988
Notable Athletes (boxing)
Robert Armstrong
(m) 1890-1973
Notable Actors and Entertainers (actor)
Samaire Armstrong
(f) 1980-
Notable Actors and Entertainers (actor)
Kristin Armstrong
(f) 1973-
Olympic Medalists 2008; 2012 cycling - road (gold)
Craig Armstrong
(m) 1959-
Notable Musicians
Bess Armstrong
(f) 1953-
Notable Actors and Entertainers (actor)
Curtis Armstrong
(m) 1953-
Notable Actors and Entertainers (actor)
Jonas Armstrong
(m) 1981-
Notable Actors and Entertainers (actor)
Alun Armstrong
(m) 1946-
Notable Actors and Entertainers (actor)
Duncan Armstrong
(m) 1968-
Olympic Medalists 1988 swimming - 200 m freestyle; swimming - 400 m freestyle (gold/silver)
Elizabeth Armstrong
(f) 1983-
Olympic Medalists 2008; 2012 water polo (silver/gold)
Aaron Armstrong
(m) 1977-
Olympic Medalists 2008 4x100 m relay (gold)
Beatrice Armstrong
(f) 1894-1981
Olympic Medalists 1920 diving - platform (silver)
George Armstrong
(m) 1930-2021
Hall-of-Famers 1975 (ice hockey)
Notable Athletes (ice hockey)
Tate Armstrong
(m) 1955-
Olympic Medalists 1976 basketball (gold)
Vaughn Armstrong
(m) 1950-
Notable Actors and Entertainers (actor)
Marjorie Armstrong-Perugian
(f)
Fictional Characters from Television 2013 Mom