Daniel Deusser (; born 13 August 1981) is a German equestrian and Olympic bronze medalist. He represented his country at the 2016 Summer Olympics. He is nicknamed "Double D." His career reached a higher level starting from 2002, when he was part of team Germany at the Young Rider European Championships. With his top partner Killer Queen, he was selected to represent Germany at Rio de Janeiro Olympic Games in 2016. Daniel Deusser is the current world number five (March 2022).