Who is the youngest Olympian? Athletes that are younger than you may think.
Dimitros Loundras is the youngest athlete to ever compete in the Olympic Games, taking part in the 1896 Athens Olympics at 10 years, 216 days old.

Dimitros Loundras is the youngest athlete to ever compete in the Olympic Games, taking part in the 1896 Athens Olympics at 10 years, 216 days old.