Lars Petersen (born 3 September 1965 in Haderslev) is a Danish dressage rider. He competed at the 1996 Summer Olympics where he finished in 12th position in the individual dressage competition. He won two bronze medals at the European Championships in team dressage. At the 2002 FEI Dressage World Cup Final in 's-Hertogenbosch he finished 2nd with a score of 79.670% on his horse Cavan. He has also qualified for the 2014 Dressage World Cup Final in Lyon, France after winning the North American League. He was forced to withdraw though after his horse sustained a hoof injury.