Lê Quang Liêm is a Vietnamese chess grandmaster, the top-ranked of his country. He was awarded the title of Grandmaster by FIDE in 2006. Liêm won the Asian Chess Championship in 2019 and was the World Blitz Chess Champion in 2013.

The World Blitz Chess Championship is a chess tournament held to determine the world champion in chess played under blitz time controls. Since 2012, FIDE has held an annual joint rapid and blitz chess tournament and billed it as the World Rapid & Blitz Chess Championships. The current world blitz champion is the Norwegian Grandmaster Magnus Carlsen. Valentina Gunina from Russia is the current women's blitz world champion. Magnus Carlsen has won the event a record seven times.