Ken Armstrong
Ken Armstrong may refer to:
- Ken Armstrong (Australian footballer), Australian rules football player and coach for Perth and later commentator
- Ken Armstrong (diver), Canadian Olympic diver
- Ken Armstrong (footballer, born 1924), Chelsea F.C. footballer, and English and New Zealand dual-international
- Ken Armstrong (footballer, born 1959), English-born footballer who played with among others Kilmarnock F.C. and Birmingham City F.C.
- Ken Armstrong (journalist), American journalist
- Ken Armstrong (motorcyclist), Grand Prix motorcycle racer from Great Britain
- Ken Armstrong (rugby union), Irish rugby union player