Yes
Greece, Australia, France, Switzerland and Great Britain have competed at every summer games of the modern era.
Five countries - Australia, France, Great Britain, Greece and Switzerland - have sent teams to every single Summer Olympic Games. Fadi Amro
Except for the three that were cancelled due to World Wars, Australians have competed in every Olympic Games of the modern era since 1896.
Lindsey Jacobellis is a snowboarder that has competed in two Olympic Games. She has won lots of Gold medals in almost every event that she competed in.
Qatar has competed in the Olympic games 8 times. The first year they competed in the Olympic Games was 1984, and they have participated in every one since then.
Australia has had representatives at every modern summer Olympic Games, although they competed as 'Australasia' in 1908 and 1912 combined with New Zealand. Australians have won medals at every modern summer Olympics except for 1908 in St Louis.
Australia, Switzerland, France, Great Britain and Greece have been represented at all Summer Olympics. France, Great Britain and Switzerland are the only countries to participate at every Winter Olympics. So three countries have been to every Olympics in the modern era - France, Great Britain and Switzerland. Australia, Switzerland, France, Great Britain and Greece have been represented at all Summer Olympics. France, Great Britain and Switzerland are the only countries to participate at every Winter Olympics. So three countries have been to every Olympics in the modern era - France, Great Britain and Switzerland.
The Australian Olympic Committee was founded and recognised in 1895. Australia has sent athletes to almost all editions of the modern Olympic Games. Australia has competed in every Summer Olympic Games since 1896.
Great Britain and Northern Ireland have had a gold medal in every modern Olympic games.
134 in all of the sports
As of 2012, Greece has so far competed in every Olympic season.
Great Britain, Italy, and Switzerland.