Thomas Löfkvist (born April 4, 1984) is a Swedish former professional road bicycle racer who competed between 2004 and 2014. Known for his abilities as a climber and time trialist, he was a prominent figure in Swedish cycling during the early 21st century.
Löfkvist began his professional career in 2004 with the French team FDJeux.com. That same year, he gained international attention by winning the Tour de l'Avenir, a premier stage race for young riders. In 2008, he moved to Team Columbia–High Road (formerly T-Mobile Team), where he achieved significant success. His most notable season came in 2009 when he won the Monte Paschi Eroica (now known as Strade Bianche) and held the overall leader's pink jersey (maglia rosa) during the Giro d'Italia, becoming the youngest Swede to lead a Grand Tour.
In 2010, Löfkvist joined Team Sky for its inaugural season, often serving as a protected rider or a key domestique in major stage races. He represented Sweden in multiple UCI Road World Championships and participated in the Summer Olympics.
Löfkvist concluded his competitive career with the Swiss UCI Professional Continental team IAM Cycling. In August 2014, he announced his retirement from professional cycling, citing chronic fatigue issues. Following his retirement from active competition, he remained involved in the sport, serving as a general manager for the Swedish continental team, Team Tre Berg–Bianchi.