- Armstrong, Neil Armstrong - United States astronaut; the first man to set foot on the moon (July 20, 1969) (1930-)
--1 is a kind of astronaut, spaceman, cosmonaut
- Armstrong, Louis Armstrong, Satchmo - United States jazz trumpeter and bandleader (1900-1971)
--2 is a kind of jazz musician, jazzman; trumpeter, cornetist