Alex Nicki Rasmussen (born 9 June 1984) is a Danish former professional racing cyclist, who rode professionally between 2009 and 2016 for the Team Saxo Bank, HTC–Highroad, Garmin–Sharp, Riwal Cycling Team, Team TreFor–Blue Water and Team ColoQuick–Cult teams. Primarily specialising in track cycling, Rasmussen was also proficient in road racing, winning the Danish National Road Race Championships in 2007.