|Full name||Eleftherios Kosmidis|
|Born||6 May 1991|
|Height||161 cm (5 ft 3 in)|
|Weight||56 kg (123 lb)|
|Discipline||Men's Artistic Gymnastics|
|Level||Senior International Elite|
|Years on national team||2006–present|
|Head coach(es)||Georgios Angelou|
Eleftherios "Lefteris" Kosmidis (Greek: Ελευθέριος "Λευτέρης" Κοσμίδης; born 6 May 1991) in Greece is an international elite artistic gymnast and a former world champion on Men's Floor Exercise. He was named the 2010 Greek Male Athlete of the Year.
Kosmidis was born on May 6, 1991 in Athens, Greece to parents, Thanasis and Sofia Kosmidis; both of whom were elite gymnasts. Similarly, his brother, Xenofon, has competed internationally as an elite gymnast. They both participated at the 2006 European Men's Artistic Gymnastics Championships. He commenced gymnastics training at the age of five.
2006–08: Junior career
Kosmidis came fourth in both the European Junior Championship in 2006.
On October 28, 2007 Kosmidis won a Bronze medal on Floor at the gymnastics World Cup in Stuttgart. He went on to compete at the World Cup Grand Prix in Glasgow, winning two medals: silver in the floor exercise and bronze on Vault.
In 2008, Kosmidis became Junior European champion on the Men's Floor Exercise ahead of Christian Bazan and Daniel Keatings with a score of 15.525. He went on to win Bronze medals on Floor at the World Cup Grand Prix in Glasgow once again later that year.
2009–present: Senior career
In 2009, he competed as a Senior at the European Championships in Milan winning a Bronze medal on Floor Exercise.
In 2010 he won a Silver medal on Floor at the European Championships in Birmingham behind Matthias Farhig. He went on to compete at the World Championships in Rotterdam where qualified to the Floor final in 1st place. In the final competition he won a Gold medal on Floor with a score of 15.700, beating All-Around champion Kohei Uchimura and Daniel Purvis.
In 2011 he failed to qualify for the Floor Exercise final at the World Championships in Tokyo, coming in 10th place in the qualification round. He returned to compete at the World Championships in Antwerp in 2013 but once again did not qualify for any of the finals.
In 2014 he competed at the World Championships in Nanning, China. He placed 7th on Floor Exercise in qualifications with a score of 15.533 qualifying him to the Individual Floor Exercise Final.
- "Archived copy" (PDF). Archived from the original (PDF) on 2013-12-30. Retrieved 2016-03-29.CS1 maint: archived copy as title (link)