Ronnie Bremer (born 14 October 1978) is a Danish racecar driver who has driven in the Champ Car World Series.
Bremer won three consecutive Danish Formula A karting championships from 1998 to 2000, before racing in British Formula Ford and Formula 3. In 2003, he shifted his career to America, running in the Toyota Atlantic Series, where he notched one win and finished fifth in the Championship.
In a somewhat surprising move, the HVM team signed Bremer, still a relative unknown, to a Champ Car ride for 2005. The rookie was impressive in his first five starts, but he was dropped by HVM for financial reasons. However, HVM soon announced that regardless, they had already signed Bremer for 2006. After missing one race, Bremer joined the Dale Coyne Racing team to finish the 2005 season. Ronnie claimed that he would be returning to HVM, but this proved not to be the case. The team instead signed Dan Clarke and Nelson Philippe. Bremer returned to Atlantics for the last few races of the 2006 season driving for Polestar Racing Group. He tested for RuSport in the hope of replacing the injured Cristiano da Matta for the final 2 races of 2006, but the drive went to Ryan Briscoe.
He returned to Polestar in 2007 for a partial season of Atlantics racing. After Polestar suspended operations, he announced a move to Brooks Associates racing, where he began starting with the race at San Jose.
Ronnie Bremer has the record of most winning Danish racecar driver
Bremer now drives for Team Stevenson Motorsport in the Rolex Grand Am (2011)